Ford Escape 2020-2024 Service Manual / Body and Paint / Body and Paint / Handles, Locks, Latches and Entry Systems / Diagnosis and Testing - Locks, Latches and Entry Systems

Ford Escape: Handles, Locks, Latches and Entry Systems / Diagnosis and Testing - Locks, Latches and Entry Systems

Diagnostic Trouble Code (DTC) Chart

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

Module	DTC	Description	Action
BCM	B10AB:00	Remote Keyless Entry Synchronization: No Sub Type Information	GO to Pinpoint Test O
BCM	B10C7:01	Interior Trunk Antenna: General Electrical Failure	GO to Pinpoint Test T
BCM	B1218:00	Transmitter Identification Code: No Sub Type Information	GO to Pinpoint Test O
BCM	B121A:11	Keypad Illumination Output: Circuit Short To Ground	GO to Pinpoint Test AL
BCM	B121A:15	Keypad Illumination Output: Circuit Short To Battery Or Open	GO to Pinpoint Test AL
BCM	B121A:15	Keypad Illumination Output: Circuit Short To Battery Or Open	GO to Pinpoint Test AM
BCM	B121B:01	Keypad Input Switch: General Electrical Failure	GO to Pinpoint Test N
BCM	B126A:01	Drivers Door Interior Lock Switch: General Electrical Failure	GO to Pinpoint Test AK
BCM	B12E8:11	Liftgate/Tailgate Control/Release Switch: Circuit Short To Ground	GO to Pinpoint Test M
BCM	B1336:01	Left Front Door External Antenna: General Electrical Failure	GO to Pinpoint Test S
BCM	B1337:01	Right Front Door External Antenna: General Electrical Failure	GO to Pinpoint Test S
BCM	B1381:11	Left Front Door Handle Proximity Sensor: Circuit Short To Ground	GO to Pinpoint Test S
BCM	B1381:15	Left Front Door Handle Proximity Sensor: Circuit Short To Battery Or Open	GO to Pinpoint Test S
BCM	B1381:29	Left Front Door Handle Proximity Sensor: Signal Invalid	GO to Pinpoint Test S
BCM	B1382:11	Right Front Door Handle Proximity Sensor: Circuit Short To Ground	GO to Pinpoint Test S
BCM	B1382:15	Right Front Door Handle Proximity Sensor: Circuit Short To Battery Or Open	GO to Pinpoint Test S
BCM	B1382:29	Right Front Door Handle Proximity Sensor: Signal Invalid	GO to Pinpoint Test S
BCM	B14A9:11	Liftgate/Decklid Release Output: Circuit Short To Ground	GO to Pinpoint Test M
BCM	B14A9:15	Liftgate/Decklid Release Output: Circuit Short To Battery Or Open	GO to Pinpoint Test M
BCM	B1540:11	Rear Cargo Door Release: Circuit Short To Ground	GO to Pinpoint Test M
BCM	B1540:12	Rear Cargo Door Release: Circuit Short To Battery	GO to Pinpoint Test M
BCM	B1540:13	Rear Cargo Door Release: Circuit Open	GO to Pinpoint Test M
BCM	U0258:87	Lost Communication With Radio Transceiver: Missing Message	GO to Pinpoint Test U
DDM	B108F:23	Cabin Lock/Unlock Switch: Signal Stuck Low	GO to Pinpoint Test K
DDM	U0140:00	Lost Communication With Body Control Module: No Sub Type Information	GO to Pinpoint Test V
DDM	U0164:00	Lost Communication With HVAC Control Module: No Sub Type Information	GO to Pinpoint Test AA
DDM	U0208:00	Lost Communication With 'Seat Control Module A': No Sub Type Information	GO to Pinpoint Test W
DDM	U0232:00	Lost Communication With Side Obstacle Detection Control Module 'A': No Sub Type Information	GO to Pinpoint Test X
DDM	U0233:00	Lost Communication With Side Obstacle Detection Control Module 'B': No Sub Type Information	GO to Pinpoint Test Y
DDM	U0294:00	Lost Communication With Powertrain Control Monitor Module: No Sub Type Information	GO to Pinpoint Test AB
DDM	U0422:00	Invalid Data Received From Body Control Module: No Sub Type Information	GO to Pinpoint Test AJ
DDM	U2100:00	Initial Configuration Not Complete: No Sub Type Information	GO to Pinpoint Test AC
DDM	U2200:00	Control Module Configuration Memory Corrupt: No Sub Type Information	GO to Pinpoint Test AG
DDM	U3000:49	Control Module: Internal Electronic Failure	GO to Pinpoint Test AG
DDM	U3003:16	Battery Voltage: Circuit Voltage Below Threshold	GO to Pinpoint Test AE
DDM	U3003:17	Battery Voltage: Circuit Voltage Above Threshold	GO to Pinpoint Test AF
PCM	P04B5:00	Fuel Fill Door Stuck Open: No Sub Type Information	GO to Pinpoint Test AI
PCM	P04BA:00	Fuel Fill Door Position Sensor/Switch Circuit High: No Sub Type Information	GO to Pinpoint Test AI
PCM	P04C1:00	Fuel Fill Door Unlock Control Circuit Low: No Sub Type Information	GO to Pinpoint Test AN
PCM	P04C2:00	Fuel Fill Door Unlock Control Circuit High: No Sub Type Information	GO to Pinpoint Test AH
PCM	P04C9:00	Fuel Fill Door Open Request Sensor/Switch Performance/Stuck Off: No Sub Type Information	GO to Pinpoint Test AH
PCM	P04CA:00	Fuel Fill Door Open Request Sensor/Switch Circuit Low: No Sub Type Information	GO to Pinpoint Test AH
PCM	P04CB:00	Fuel Fill Door Open Request Sensor/Switch Circuit High: No Sub Type Information	GO to Pinpoint Test AH
PCM	P04CD:00	Fuel Fill Door Open Request Sensor/Switch Stuck On: No Sub Type Information	GO to Pinpoint Test AH
PCM	P1594:00	Forced Engine Shutdown - Remote Start System Fault, No Unattended Vehicle Timeout: No Sub Type Information	GO to Pinpoint Test Z
PCM	P1595:00	Forced Engine Shutdown - Remote Start System Fault, Transmission Range Not In Park Position: No Sub Type Information	GO to Pinpoint Test Z
PDM	B108F:23	Cabin Lock/Unlock Switch: Signal Stuck Low	GO to Pinpoint Test K
PDM	U0140:00	Lost Communication With Body Control Module: No Sub Type Information	GO to Pinpoint Test V
PDM	U0164:00	Lost Communication With HVAC Control Module: No Sub Type Information	GO to Pinpoint Test AA
PDM	U0208:00	Lost Communication With 'Seat Control Module A': No Sub Type Information	GO to Pinpoint Test W
PDM	U0232:00	Lost Communication With Side Obstacle Detection Control Module 'A': No Sub Type Information	GO to Pinpoint Test X
PDM	U0233:00	Lost Communication With Side Obstacle Detection Control Module 'B': No Sub Type Information	GO to Pinpoint Test Y
PDM	U0294:00	Lost Communication With Powertrain Control Monitor Module: No Sub Type Information	GO to Pinpoint Test AB
PDM	U0422:00	Invalid Data Received From Body Control Module: No Sub Type Information	GO to Pinpoint Test AJ
PDM	U2100:00	Initial Configuration Not Complete: No Sub Type Information	GO to Pinpoint Test AC
PDM	U2200:00	Control Module Configuration Memory Corrupt: No Sub Type Information	GO to Pinpoint Test AG
PDM	U3000:49	Control Module: Internal Electronic Failure	GO to Pinpoint Test AG
PDM	U3003:16	Battery Voltage: Circuit Voltage Below Threshold	GO to Pinpoint Test AE
PDM	U3003:17	Battery Voltage: Circuit Voltage Above Threshold	GO to Pinpoint Test AF
RTM	U1A00:00	Private Communication Network: No Sub Type Information	GO to Pinpoint Test U
SOBDMC	P1594:00	Forced Engine Shutdown - Remote Start System Fault, No Unattended Vehicle Timeout: No Sub Type Information	GO to Pinpoint Test Z
SOBDMC	P1595:00	Forced Engine Shutdown - Remote Start System Fault, Transmission Range Not In Park Position: No Sub Type Information	GO to Pinpoint Test Z

Global Customer Symptom Code (GCSC) Chart

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

Symptom	Action
Start/Run/Move > Starting > Remote Start > Inoperative	GO to Pinpoint Test R
Safe & Secure > Latches/Locks > Door > Difficult to Close	GO to Pinpoint Test A
Safe & Secure > Latches/Locks > Door > Difficult to Open	GO to Pinpoint Test A
Safe & Secure > Latches/Locks > Door > Difficult to Open	GO to Pinpoint Test B
Safe & Secure > Latches/Locks > Door > Difficult to Open	GO to Pinpoint Test C
Safe & Secure > Latches/Locks > Door > Loose/Attachment	GO to Pinpoint Test F
Safe & Secure > Latches/Locks > Door > Manual Function	GO to Pinpoint Test G
Safe & Secure > Latches/Locks > Door > Manual Function	GO to Pinpoint Test H
Safe & Secure > Latches/Locks > Door > Power Function	GO to Pinpoint Test I
Safe & Secure > Latches/Locks > Door > Power Function	GO to Pinpoint Test K
Safe & Secure > Latches/Locks > Door > Power Function	GO to Pinpoint Test L
Safe & Secure > Latches/Locks > Door > Power Function	GO to Pinpoint Test N
Safe & Secure > Latches/Locks > Door > Power Function	GO to Pinpoint Test AK
Safe & Secure > Latches/Locks > Door > Sticks/Binds	GO to Pinpoint Test D
Safe & Secure > Latches/Locks > Door > Sticks/Binds	GO to Pinpoint Test E
Safe & Secure > Latches/Locks > Tailgate > Difficult to Open	GO to Pinpoint Test M
Safe & Secure > Latches/Locks > Tailgate > Manual Function	GO to Pinpoint Test AD
Safe & Secure > Latches/Locks > Fuel Door > Difficult to Close	GO to Pinpoint Test AN
Safe & Secure > Latches/Locks > Fuel Door > Difficult to Open	GO to Pinpoint Test AH
Safe & Secure > Remote Entry > Control > Inoperative	GO to Pinpoint Test O
Safe & Secure > Remote Entry > Control > Inoperative	GO to Pinpoint Test P
Safe & Secure > Remote Entry > Control > Inoperative	GO to Pinpoint Test S
Safe & Secure > Remote Entry > Control > Inoperative	GO to Pinpoint Test T
Safe & Secure > Remote Entry > Performance > Inoperative	GO to Pinpoint Test Q
Safe & Secure > Remote Entry > Performance > Inoperative	GO to Pinpoint Test AL
Safe & Secure > Remote Entry > Performance > Inoperative	GO to Pinpoint Test AM

Symptom Charts

Symptom Chart: Handles, Locks, Latches and Entry Systems - Mechanical

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

Condition	Actions
Hard to open or close a door from either door handle	GO to Pinpoint Test A
A door is difficult or does not open from the exterior door handle	GO to Pinpoint Test B
A door is difficult or does not open from the interior door handle	GO to Pinpoint Test C
The exterior door release handle sticks	GO to Pinpoint Test D
The interior door release handle sticks	GO to Pinpoint Test E
Squeak-rattle-chucking noise from door	GO to Pinpoint Test F
The manual door lock cylinder is inoperative	GO to Pinpoint Test G
The ignition lock cylinder cannot be returned to the OFF position	REFER to: Steering Wheel and Column Electrical Components (211-05 Steering Wheel and Column Electrical Components, Diagnosis and Testing).
The ignition lock cylinder is difficult to turn	GO to Pinpoint Test H
The key is hard to insert into the ignition lock cylinder	GO to Pinpoint Test H

Symptom Chart: Handles, Locks, Latches and Entry Systems - Electrical

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

Condition	Actions
All door locks are inoperative	GO to Pinpoint Test I
A single or more than one door lock is inoperative	GO to Pinpoint Test J
The door locks operate only one way (with One-Touch Open and Close Front Windows)	GO to Pinpoint Test K
The door locks operate only one way (without One-Touch Open and Close Front Windows)	GO to Pinpoint Test AK
All door locks are inoperative from one door lock control switch (with One-Touch Open and Close Front Windows)	GO to Pinpoint Test L
All door locks are inoperative from one door lock control switch (without One-Touch Open and Close Front Windows)	GO to Pinpoint Test AK
The power liftgate is inoperative or does not operate correctly	REFER to: Body Closures (501-03 Body Closures, Diagnosis and Testing).
The manual liftgate latch release is inoperative	GO to Pinpoint Test M
The manual liftgate does not latch	GO to Pinpoint Test AD
The doors do not lock or unlock using the keyless entry keypad	GO to Pinpoint Test N
The keyless entry keypad illumination is inoperative	GO to Pinpoint Test AL
The keyless entry keypad illumination is always on	GO to Pinpoint Test AM
The RKE transmitter or IKT is inoperative	GO to Pinpoint Test O
An individual button/feature is inoperative from the RKE transmitter or IKT	GO to Pinpoint Test P
The RKE transmitter or IKT has poor range performance	GO to Pinpoint Test Q
The remote start feature is inoperative	GO to Pinpoint Test R
The smart unlock is inoperative	Without push button start - REFER to: Instrumentation, Message Center and Warning Chimes - Vehicles With: Head Up Display (HUD) (413-01 Instrumentation, Message Center and Warning Chimes, Diagnosis and Testing). With push button start - REFER to: Passive Anti-Theft System (PATS) (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, Diagnosis and Testing).
The 2-stage door unlocking does not operate correctly	REFER to: Staged Unlock Programming (501-14 Handles, Locks, Latches and Entry Systems, General Procedures).
A door passive entry feature is inoperative	GO to Pinpoint Test S
The liftgate passive entry feature is inoperative	GO to Pinpoint Test T
The fuel filler door release is inoperative (hybrid vehicle)	GO to Pinpoint Test AH

Pinpoint Tests

PINPOINT TEST A: HARD TO OPEN OR CLOSE A DOOR FROM EITHER DOOR HANDLE

Normal Operation and Fault Conditions

The door latch can be actuated from the interior or exterior door handle. When actuated, the door latch releases and allows the door to open. If the door latch or the door hinges have insufficient lubrication or if the striker or door are misaligned, it causes extra force to be used when opening or closing the door.

Possible Sources

Door alignment
Door hinges
Striker adjustment
Door latch

A1 CHECK THE LATCH OPERATION FROM BOTH DOOR HANDLES

NOTE: Make sure the child safety lock is in the unlock position for the rear doors.

Open the door using both the interior and exterior door handles.

Does the door open normally from one of the door handles?

Yes

If the door is difficult/does not open from the exterior door handle, GO to Pinpoint Test B
If the door is difficult/does not open from the interior door handle, GO to Pinpoint Test C

GO to A2

A2 CHECK THE LATCH OPERATION

Open the door.

Using a screwdriver, fully close the latch (2 clicks).

Verify the latch releases easily while pulling on the interior/exterior door handle.

Does the latch release easily?

Yes

GO to A4

GO to A3

A3 CHECK THE LATCH OPERATION AFTER LUBRICATION

Lubricate the door latch.
REFER to: Door Latch Lubrication (501-14 Handles, Locks, Latches and Entry Systems, General Procedures).

Using a screwdriver, fully close the latch (2 clicks).

Verify the latch releases easily while pulling on the interior/exterior door handle.

Does the latch release easily?

Yes

The concern was caused by an insufficiently lubricated door latch.

No	INSTALL a new door latch. REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation). REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

A4 CHECK THE STRIKER ADJUSTMENT

Check the adjustment of the striker.

Is the striker adjusted correctly?

Yes

GO to A5

No	ADJUST the striker as necessary.

A5 CHECK THE DOOR ALIGNMENT

Check the alignment of the door.

Is the door aligned correctly?

Yes

LUBRICATE the door hinges.

No	ADJUST the door as necessary. REFER to: Body Closures (501-03 Body Closures, Diagnosis and Testing).

PINPOINT TEST B: A DOOR IS DIFFICULT OR DOES NOT OPEN FROM THE EXTERIOR DOOR HANDLE

Normal Operation and Fault Conditions

The exterior door handle is connected to the door latch with an actuating cable. When the exterior door handle is pulled, the actuating cable pulls on the latch lever. When the latch lever moves, the door latch releases, allowing the door to open.

Possible Sources

Broken or binding linkage
Exterior door handle reinforcement
Door latch

B1 CHECK THE LATCH OPERATION FROM BOTH DOOR HANDLES

Open and close the door using both the interior and exterior door handles.

Does the door open normally from one of the door handles?

Yes

If the door is difficult/does not open from only the exterior door handle, GO to B2
If the door is difficult/does not open from only the interior door handle, GO to Pinpoint Test C

No	GO to Pinpoint Test A

B2 CHECK THE EXTERIOR DOOR HANDLE AND CABLE OPERATION

Disconnect the exterior door handle actuating cable from the door latch.

Operate the exterior door handle while observing the linkage and cable.

Are any of the exterior door handle components or linkages binding or broken?

Yes

GO to B3

No	INSTALL a new door latch. REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation). REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

B3 CHECK THE EXTERIOR DOOR HANDLE REINFORCEMENT

Disconnect the exterior door handle actuating cable from the exterior door handle reinforcement.

Pull and release the exterior door handle.

Does the exterior door handle operate correctly?

Yes

INSTALL a new exterior door handle cable.

INSTALL a new exterior door handle reinforcement.
REFER to: Exterior Front Door Handle Reinforcement (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
REFER to: Exterior Rear Door Handle Reinforcement (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

PINPOINT TEST C: A DOOR IS DIFFICULT OR DOES NOT OPEN FROM THE INTERIOR DOOR HANDLE

Normal Operation and Fault Conditions

The interior door handle is connected to the door latch by an actuating cable. When the interior door handle is pulled, the cable pulls on the latch lever. When the latch lever moves, the door latch releases, allowing the door to open.

Possible Sources

Broken or binding cable/linkage
Door latch
Interior door handle
Interior door handle latch release clip

Visual Inspection and Pre-checks

For the rear doors, make sure the child safety lock is in the unlock position.

C1 CHECK THE LATCH OPERATION FROM BOTH DOOR HANDLES

NOTE: Make sure the child safety lock is in the unlock position for the rear doors.

NOTE: The rear door interior door handle must be pulled twice to unlock and unlatch. Open the door using both the interior and exterior door handles.

Does the door open normally from one of the door handles?

Yes

If the door is difficult/does not open from only the interior door handle, GO to C2
If the door is difficult/does not open from only the exterior door handle, GO to Pinpoint Test B

No	GO to Pinpoint Test A

C2 CHECK THE INTERIOR DOOR HANDLE LATCH RELEASE CLIP

Remove the affected door trim panel.
REFER to: Front Door Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation).
or REFER to: Rear Door Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation).

Inspect the interior door handle latch release clip and interior door handle for:
- broken clips
- cracks
- other damage

Connect the interior door handle latch release clip to the interior door handle.

Was there any damage to the interior door handle latch release clip or interior door handle?

Yes

If the interior door handle latch release cable clip is damaged or broken, INSTALL a new interior door handle latch release cable clip.
REFER to: Interior Front Door Handle Latch Release Cable Clip (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
or REFER to: Interior Rear Door Handle Latch Release Cable Clip (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation). If the door handle is damaged or broken, INSTALL a new door handle.
REFER to: Interior Front Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
or REFER to: Interior Rear Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

GO to C3

C3 CHECK THE INTERIOR DOOR HANDLE AND CABLE/LINKAGE OPERATION

Operate the interior door handle while observing the latch cables and linkage.

Does the interior door handle operate the door latch without binding?

Yes

INSTALL the door trim panel being sure to securely attach the interior door handle latch release clip.
REFER to: Front Door Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation).
or REFER to: Rear Door Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation).

No	INSTALL a new door latch. REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation). REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

PINPOINT TEST D: THE EXTERIOR DOOR RELEASE HANDLE STICKS

Normal Operation and Fault Conditions

Possible Sources

Binding linkage
Broken handle return spring
Door latch

D1 CHECK FOR A BROKEN RETURN SPRING

Remove the window regulator and motor.
REFER to: Front Door Window Regulator and Motor (501-11 Glass, Frames and Mechanisms, Removal and Installation).
REFER to: Rear Door Window Regulator and Motor (501-11 Glass, Frames and Mechanisms, Removal and Installation).

Install the exterior door handle strap back onto the exterior door handle reinforcement.

Disconnect the exterior door handle actuating rod from the door latch.

Pull and release the exterior door handle.

Does the exterior door handle return to a closed position once released?

Yes

GO to D2

D2 CHECK THE EXTERIOR DOOR HANDLE AND LINKAGE OPERATION

Operate the exterior door handle while observing the linkage.

Are any of the exterior door handle components or linkages binding?

Yes

REPAIR as necessary.

No	INSTALL a new door latch. REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation). REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

PINPOINT TEST E: THE INTERIOR DOOR RELEASE HANDLE STICKS

Normal Operation and Fault Conditions

The interior door handle is connected to the door latch by an actuating cable. When the interior door handle is pulled, the cable pulls on the latch lever. When the latch lever is moved, the door latch releases, allowing the door to open. The handle has a return spring to make sure the handle returns to a closed position.

Possible Sources

Binding cable
Broken handle return spring
Door latch

E1 CHECK FOR A BROKEN RETURN SPRING

Remove the interior door handle.
REFER to: Interior Front Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
REFER to: Interior Rear Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

Pull and release the interior door handle.

Does the interior door handle return to a closed position once released?

Yes

GO to E2

No	INSTALL a new interior door handle. REFER to: Interior Front Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation). REFER to: Interior Rear Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

E2 CHECK THE INTERIOR DOOR HANDLE CABLE OPERATION

Remove the interior door latch release cable.

Observe the door latch release cable for any damage or binding.

Is the door latch release cable OK?

Yes

INSTALL a new door latch.
REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

No	INSTALL a new interior door handle cable.

PINPOINT TEST F: SQUEAK-RATTLE-CHUCKING NOISE FROM DOOR

Possible Sources

Door alignment
Striker adjustment
Door latch

F1 CHECK FOR ANY LOOSE COMPONENTS

Remove the door trim panel.

Inspect inside the door for any loose components.

Are there any loose components inside the door?

Yes

REPAIR as necessary.

GO to F2

F2 CHECK THE STRIKER ADJUSTMENT

Check the adjustment of the striker.

Is the striker adjusted correctly?

Yes

GO to F3

No	ADJUST the striker as necessary.

F3 CHECK THE DOOR ALIGNMENT

Check the alignment of the door.

Is the door aligned correctly?

Yes

GO to F4

No	ADJUST the door as necessary. REFER to: Body Closures (501-03 Body Closures, Diagnosis and Testing).

F4 CHECK THE LATCH OPERATION AFTER LUBRICATION

Lubricate the door latch.
REFER to: Door Latch Lubrication (501-14 Handles, Locks, Latches and Entry Systems, General Procedures).

Using a screwdriver, fully close the latch (2 clicks).

Operate the door latch and listen for the noise.

Is the original noise still present after the latch is lubricated?

Yes

No	The concern was caused by an insufficiently lubricated door latch.

PINPOINT TEST G: THE MANUAL DOOR LOCK CYLINDER INOPERATIVE

Normal Operation and Fault Conditions

The door lock cylinder is connected to the door latch via a lock rod and can be used to manually lock/unlock the door.

Possible Sources

Bent or binding lock rod and lever
Door lock cylinder
Door latch

G1 CHECK THE LOCK AND UNLOCK OPERATION

Insert a key into the lock cylinder and rotate the lock cylinder to the lock and unlock positions.

Does the door lock cylinder freely rotate without locking and unlocking the door?

Yes

GO to G2

GO to G4

G2 CHECK THE DOOR LOCK CYLINDER (FREE-SPIN)

Remove the door lock cylinder.
REFER to: Door Lock Cylinder (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

Operate the door lock cylinder with the key while holding the lever on the lock cylinder.

Does the key in the door lock cylinder rotate freely while the lever is stationary?

Yes

INSTALL a new door lock cylinder.
REFER to: Door Lock Cylinder (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

GO to G3

G3 CHECK THE DOOR LOCK CYLINDER LINKAGE CONNECTION

Inspect the door lock cylinder linkage.

Is the door lock cylinder rod and lever disconnected?

Yes

CONNECT the door lock cylinder rod and lever.

No	INSTALL a new door latch. REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

G4 CHECK THE LOCK CYLINDER OPERATION AFTER LUBRICATION

Spray a lock lubricant (such as Motorcraft® XL-1) into the lock cylinder opening for a couple of seconds.

Operate the door lock cylinder with the key.

Does the door lock and unlock using the door lock cylinder?

Yes

The concern was caused by an insufficiently lubricated lock cylinder. SPRAY a multi-purpose grease (such as Motorcraft® XL-5) into the lock cylinder for a couple seconds to provide long term lubrication.

GO to G5

G5 CHECK THE DOOR LOCK CYLINDER FOR BINDING

Remove the door lock cylinder.
REFER to: Door Lock Cylinder (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

Operate the door lock cylinder with the key.

Does the door lock cylinder rotate freely?

Yes

GO to G6

No	INSTALL a new door lock cylinder. REFER to: Door Lock Cylinder (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

G6 CHECK THE DOOR LOCK CYLINDER LINKAGE

Operate the door lock using the door lock cylinder linkage.

Operate the door lock cylinder with the key.

Is the door lock cylinder rod and lever binding, damaged or disconnected?

Yes

REPAIR as necessary.

No	INSTALL a new door latch. REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

PINPOINT TEST H: THE IGNITION LOCK CYLINDER IS DIFFICULT TO TURN

Normal Operation and Fault Conditions

The ignition lock cylinder mechanically rotates the ignition switch within the ignition lock cylinder housing. Insertion and extraction of the key and rotation of the lock cylinder using a correctly cut key should be smooth and require minimal effort.

Possible Sources

Key
Ignition switch
Ignition lock cylinder

H1 CHECK THE KEY

Inspect the key for an incorrect cut, burrs or damage.

Is the key correctly cut and free of burrs and damage?

Yes

GO to H2

No	REPLACE and, if equipped with a PATS , PROGRAM a new key. REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures).

H2 CHECK THE IGNITION LOCK CYLINDER OPERATION

Insert the key into the ignition lock cylinder and rotate the key through all ignition switch positions.

Does the key rotate through all ignition switch positions without excessive effort?

Yes

The mechanical function of the ignition lock cylinder is OK.

GO to H3

H3 CHECK THE IGNITION LOCK CYLINDER WHILE INSERTING THE KEY

Remove the ignition lock cylinder.

While holding the ignition lock cylinder, apply finger pressure to the back of the lock.

With pressure still applied to the back of the lock, insert and remove the key from the ignition lock cylinder. Repeat this step several times.

Does the key insert and remove freely into the ignition lock cylinder?

Yes

GO to H4

No	INSTALL a new ignition lock cylinder. REFER to: Ignition Switch (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).

H4 CHECK THE IGNITION LOCK CYLINDER FOR BINDING ROTATION

While holding the ignition lock cylinder, apply finger pressure to the back of the lock.

With pressure still applied to the back of the lock, use the key to rotate the ignition lock cylinder through all positions.

Does the ignition lock cylinder rotate freely?

Yes

INSTALL a new ignition switch.
REFER to: Ignition Switch (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).

No	INSTALL a new ignition lock cylinder. REFER to: Ignition Lock Cylinder Housing (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).

PINPOINT TEST I: ALL DOOR LOCKS ARE INOPERATIVE

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

Possible Sources

Wiring, terminals or connectors
BCM

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

I1 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS)

Ignition ON.

Using a diagnostic scan tool, carry out the BCM self-test.

Using a diagnostic scan tool, carry out the DDM and PDM self-test (if equipped with one-touch open and close front windows).

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to the Master Diagnostic Trouble Code (DTC) Chart.

GO to I2

I2 VERIFY THE OPERATION OF BOTH DOOR LOCK CONTROL SWITCHES

Press the lock and unlock buttons on both door lock control switches while observing the door lock operation.

Does any door lock operate?

Yes

GO to I3

GO to I4

I3 CHECK IF THE LOCKS OPERATE IN ONLY ONE DIRECTION

Press the lock and unlock buttons from the driver door lock control switch and then the passenger door lock control switch while observing the door locks.

Are all the door locks inoperative from both switch positions (lock and unlock) of either door lock control switch?

Yes

GO to Pinpoint Test L

No	GO to Pinpoint Test K (if equipped with one-touch open and close front windows.) GO to Pinpoint Test AK (if equipped with one-touch open driver window.)

I4 CHECK THE ALL DOOR LOCK CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect BCM C2280F .

Disconnect Left Front Door Latch C526A .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C2280F-1 C526A-1

Is the resistance less than 3 ohms?

Yes

GO to I5

No	REPAIR the circuit.

I5 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all the BCM connectors.

Repair:
- corrosion (install new connectors or terminals - clean module pins)
- damaged or bent pins - install new terminals pins
- pushed-out pins - install new pins as necessary

Reconnect the BCM connectors and make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST J: A SINGLE OR MORE THAN ONE DOOR LOCK IS INOPERATIVE

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

Possible Sources

Wiring, terminals or connectors
Door latch

J1 CHECK THE DOOR LATCH FOR BINDING

Lock and unlock the inoperative door lock using the manual door lock.

Does the door lock and unlock?

Yes

GO to J2

No	INSTALL a new door latch. REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation). REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

J2 CHECK THE BCM (BODY CONTROL MODULE) ALL LOCK OUTPUT CIRCUIT FOR AN OPEN

NOTICE: The following step uses a test lamp to simulate normal circuit loads. Use only a Rotunda Test Lamp (SGT27000) or 250-300mA incandescent bulb test lamp. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.

Ignition OFF.

Disconnect The suspect door latch.

For the suspect door latch, connect:
Click to display connectors
Left Front Door Latch

Positive Lead Measurement / Action Negative Lead

C526A-1 Ground

Click to display connectors
Right Front Door Latch

Positive Lead Measurement / Action Negative Lead

C609-6 Ground

Click to display connectors
Left Rear Door Latch

Positive Lead Measurement / Action Negative Lead

C750-1 Ground

Click to display connectors
Right Rear Door Latch

Positive Lead Measurement / Action Negative Lead

C850-8 Ground

NOTE: The BCM only supplies voltage to the actuator momentarily. It is important to monitor the test lamp while pressing the door lock control switch. While pressing the door lock control switch in the lock position, monitor the test lamp.

Does the test lamp momentarily illuminate?

Yes

GO to J3

No	REPAIR the circuit.

J3 CHECK THE BCM (BODY CONTROL MODULE) UNLOCK OUTPUT CIRCUIT FOR AN OPEN

For the suspect door latch, connect:
Click to display connectors
Left Front Door Latch

Positive Lead Measurement / Action Negative Lead

C526A-2 Ground

Click to display connectors
Right Front Door Latch

Positive Lead Measurement / Action Negative Lead

C609-5 Ground

Click to display connectors
Left Rear Door Latch

Positive Lead Measurement / Action Negative Lead

C750-2 Ground

Click to display connectors
Right Rear Door Latch

Positive Lead Measurement / Action Negative Lead

C850-7 Ground

NOTE: The BCM only supplies voltage to the actuator momentarily. It is important to monitor the test lamp while pressing the door lock control switch. While pressing the door lock control switch in the unlock position, monitor the test lamp.

Does the test lamp momentarily illuminate?

Yes

No	REPAIR the circuit.

PINPOINT TEST K: THE DOOR LOCKS OPERATE ONLY ONE WAY (WITH ONE-TOUCH OPEN AND CLOSE FRONT WINDOWS)

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
DDM B108F:23	Cabin Lock/Unlock Switch: Signal Stuck Low	Set by the DDM when a short to ground is detected from one of the door lock control switch input circuits.
PDM B108F:23	Cabin Lock/Unlock Switch: Signal Stuck Low	Set by the PDM when a short to ground is detected from one of the door lock control switch input circuits.

Possible Sources

Wiring, terminals or connectors
Door lock control switch
PDM
DDM

K1 CHECK FOR DDM (DRIVER DOOR MODULE) / PDM (PASSENGER DOOR MODULE) DTC (DIAGNOSTIC TROUBLE CODE) B108F:23

Connect the diagnostic tool.

Ignition ON.

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).

Using a diagnostic scan tool, carry out the DDM and the PDM self-tests.

Is DTC B108F:23 present?

Yes

GO to K2

GO to K4

K2 ISOLATE THE DOOR LOCK CONTROL SWITCH

Ignition OFF.

Disconnect Driver Door Lock Control Switch C541 (without memory), or C522 (with memory) (DTC set in DDM ).

Disconnect Passenger Door Lock Control Switch C641 (DTC set in PDM ).

Ignition ON.

Using a diagnostic scan tool, carry out the DDM or the PDM self-test.

Is DTC B108F:23 still present?

Yes

GO to K3

No	INSTALL a new door lock control switch. REFER to: Front Door Lock Control Switch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

K3 CHECK THE DOOR LOCK CONTROL SWITCH INPUT CIRCUITS FOR A SHORT TO GROUND

Ignition OFF.

Disconnect DDM C501A (DTC set in DDM ).

Disconnect PDM C652A (DTC set in PDM ).

If the DTC set in the DDM , measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C501A-18 Ground

C501A-19 Ground

If the DTC set in the PDM , measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C652A-18 Ground

C652A-19 Ground

Are the resistances greater than 10,000 ohms?

Yes

For a concern with the passenger door lock control switch, GO to K8
For a concern with the driver door lock control switch, GO to K9

No	REPAIR the circuit in question.

K4 CHECK THE LOCK REQUEST INPUT CIRCUIT

Ignition OFF.

Disconnect the suspect door lock control switch.

For the driver door lock control switch, momentarily connect a fused jumper wire:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C522-7, (with memory) C522-6

Click to display connectors

Positive Lead Measurement / Action Negative Lead

C541-2, (without memory) C541-3

For the passenger door lock control switch, momentarily connect a fused jumper wire:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C641-4 C641-3

Remove the fused jumper wire.

Do the doors lock?

Yes

GO to K6

GO to K5

K5 CHECK THE LOCK REQUEST INPUT CIRCUIT FOR AN OPEN

Disconnect DDM C501A (driver door lock control switch).

Disconnect PDM C652A (passenger door lock control switch).

For the driver door lock control switch, measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C522-7, (with memory) C501A-18

Click to display connectors

Positive Lead Measurement / Action Negative Lead

C541-2, (without memory) C501A-18

For the passenger door lock control switch, measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C641-4 C652A-18

Is the resistance less than 3 ohms?

Yes

For a concern with the passenger door lock control switch, GO to K8
For a concern with the driver door lock control switch, GO to K9

No	REPAIR the circuit.

K6 CHECK THE UNLOCK REQUEST INPUT CIRCUIT

For the driver door lock control switch, momentarily connect a fused jumper wire:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C522-8, (with memory) C522-6

Click to display connectors

Positive Lead Measurement / Action Negative Lead

C541-4, (without memory) C541-3

For the passenger door lock control switch, momentarily connect a fused jumper wire:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C641-2 C641-3

Remove the fused jumper wire.

Do the doors unlock?

Yes

INSTALL a new door lock control switch.
REFER to: Front Door Lock Control Switch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

GO to K7

K7 CHECK THE UNLOCK REQUEST INPUT CIRCUIT FOR AN OPEN

Disconnect DDM C501A (driver door lock control switch).

Disconnect PDM C652A (passenger door lock control switch).

For the driver door lock control switch, measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C522-8, (with memory) C501A-19

Click to display connectors

Positive Lead Measurement / Action Negative Lead

C541-4, (without memory) C501A-19

For the passenger door lock control switch, measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C641-2 C652A-19

Is the resistance less than 3 ohms?

Yes

For a concern with the passenger door lock control switch, GO to K8
For a concern with the driver door lock control switch, GO to K9

No	REPAIR the circuit.

K8 CHECK FOR CORRECT PDM (PASSENGER DOOR MODULE) OPERATION

Disconnect and inspect all the PDM connectors.

Repair:
- corrosion (install new connectors or terminals - clean module pins)
- damaged or bent pins - install new terminals pins
- pushed-out pins - install new pins as necessary

Reconnect the PDM connectors and make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new PDM .
REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

K9 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) OPERATION

Disconnect and inspect all the DDM connectors.

Repair:
- corrosion (install new connectors or terminals - clean module pins)
- damaged or bent pins - install new terminals pins
- pushed-out pins - install new pins as necessary

Reconnect the DDM connectors and make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new DDM .
REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST L: ALL DOOR LOCKS ARE INOPERATIVE FROM ONE DOOR LOCK CONTROL SWITCH

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

Possible Sources

Wiring, terminals or connectors
Door lock control switch
PDM
DDM

Visual Inspection and Pre-checks

Check the door lock control switch for damage.

L1 BYPASS THE DOOR LOCK CONTROL SWITCH

Ignition OFF.

Disconnect suspect door lock control switch.

For the driver door lock control switch lock function, momentarily connect a fused jumper wire:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C522-7, (with memory) C522-6

Click to display connectors

Positive Lead Measurement / Action Negative Lead

C541-2, (without memory) C541-3

For the passenger door lock control switch lock function, momentarily connect a fused jumper wire:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C641-4 C641-3

For the driver door lock control switch unlock function, momentarily connect a fused jumper wire:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C522-8, (with memory) C522-6

Click to display connectors

Positive Lead Measurement / Action Negative Lead

C541-4, (without memory) C541-3

For the passenger door lock control switch unlock function, momentarily connect a fused jumper wire:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C641-2 C641-3

Remove the fused jumper wire.

Do the doors lock and unlock?

Yes

INSTALL a new door lock control switch.
REFER to: Front Door Lock Control Switch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

No	If equipped with one-touch open and close front windows GO to L2 If equipped with one-touch open driver window, REPAIR the suspect door lock switch ground circuit.

L2 CHECK THE DOOR LOCK CONTROL SWITCH GROUND CIRCUIT FOR AN OPEN

Disconnect DDM C501A (driver door lock control switch).

Disconnect PDM C652A (passenger door lock control switch).

For the driver door lock control switch, measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C522-6, (with memory) C501A-10

Click to display connectors

Positive Lead Measurement / Action Negative Lead

C541-3, (without memory) C501A-10

For the passenger door lock control switch, measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C641-3 C652A-10

Is the resistance less than 3 ohms?

Yes

For the concern with the passenger door lock control switch, GO to L3
For the concern with the driver door lock control switch, GO to L4

No	REPAIR the circuit.

L3 CHECK FOR CORRECT PDM (PASSENGER DOOR MODULE) OPERATION

Disconnect and inspect all the PDM connectors.

Repair:
- corrosion (install new connectors or terminals - clean module pins)
- damaged or bent pins - install new terminals pins
- pushed-out pins - install new pins as necessary

Reconnect the PDM connectors and make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new PDM .
REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

L4 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) OPERATION

Disconnect and inspect all the DDM connectors.

Repair:
- corrosion (install new connectors or terminals - clean module pins)
- damaged or bent pins - install new terminals pins
- pushed-out pins - install new pins as necessary

Reconnect the DDM connectors and make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new DDM .
REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST M: THE MANUAL LIFTGATE LATCH RELEASE IS INOPERATIVE

Refer to Wiring Diagrams Cell 110 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B14A9:11	Liftgate/Decklid Release Output: Circuit Short To Ground	Sets when the BCM detects a short to ground from the liftgate latch release output circuit.
BCM B14A9:15	Liftgate/Decklid Release Output: Circuit Short To Battery Or Open	Sets when the BCM detects a short to battery from the liftgate latch release output circuit.
BCM B1540:11	Rear Cargo Door Release: Circuit Short To Ground	Sets when the BCM detects a short to ground from the liftgate latch release output circuit.
BCM B1540:12	Rear Cargo Door Release: Circuit Short To Battery	Sets when the BCM detects an short to battery from the liftgate latch release output circuit.
BCM B1540:13	Rear Cargo Door Release: Circuit Open	Sets when the BCM detects an open from the liftgate latch release output circuit.
BCM B12E8:11	Liftgate/Tailgate Control/Release Switch: Circuit Short To Ground	Sets when the BCM detects a short to ground from the liftgate release enable switch input circuit.

Possible Sources

Wiring, terminals or connectors
Liftgate latch
Liftgate release switch
BCM

Visual Inspection and Pre-checks

Inspect the liftgate latch for damage.

M1 CHECK THE LIFTGATE LATCH MANUAL RELEASE

Mechanically unlatch the liftgate.
REFER to: Liftgate Latch Manual Release (501-14 Handles, Locks, Latches and Entry Systems, General Procedures).

Does the liftgate latch release?

Yes

GO to M2

No	INSTALL a new liftgate latch. REFER to: Liftgate Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

M2 CHECK THE LIFTGATE RELEASE INPUT FOR A SHORT TO GROUND USING THE BCM (BODY CONTROL MODULE) LIFTGATE RELEASE SWITCH STATUS (LFTGATE_R_SW) PID (PARAMETER IDENTIFICATION)

Ignition ON.

Using a diagnostic scan tool, view the BCM Parameter Identifications (PIDs).

Using a diagnostic scan tool, view the BCM
Access the BCM and monitor the LGATE_DCKLD_RLSE PID

Does the PID indicate the liftgate release switch is continuously pressed?

Yes

GO to M3

GO to M5

M3 CHECK THE LIFTGATE RELEASE SWITCH USING THE BCM (BODY CONTROL MODULE) LIFTGATE RELEASE SWITCH STATUS (LFTGATE_R_SW) PID (PARAMETER IDENTIFICATION)

Ignition OFF.

Disconnect: Liftgate Release Switch C4353.

Ignition ON.

Using a diagnostic scan tool, view the BCM
Access the BCM and monitor the LGATE_DCKLD_RLSE PID

Does the PID continue to indicate the switch is pressed?

Yes

GO to M4

No	INSTALL a new liftgate release switch. REFER to: Liftgate Release Switch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

M4 CHECK THE LIFTGATE RELEASE SWITCH INPUT CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect: BCM C2280F.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C2280F-31 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to M12

No	REPAIR the circuit.

M5 CHECK THE BCM (BODY CONTROL MODULE) LIFTGATE RELEASE SWITCH STATUS (LFTGATE_R_SW) PID (PARAMETER IDENTIFICATION)

Using a diagnostic scan tool, view the BCM
Access the BCM and monitor the LGATE_DCKLD_RLSE PID
while pressing the liftgate release switch.

Does the PID indicate the switch is pressed?

Yes

GO to M8

GO to M6

M6 BYPASS THE LIFTGATE RELEASE SWITCH WHILE MONITORING THE BCM (BODY CONTROL MODULE) LIFTGATE RELEASE SWITCH STATUS (LFTGATE_R_SW) PID (PARAMETER IDENTIFICATION)

Ignition OFF.

Disconnect: Liftgate Release Switch C4353.

Ignition ON.

Connect: a fused jumper wire.

Lead 1 Measurement / Action Lead 2

C4353-1 C4353-2

Using a diagnostic scan tool, view the BCM
Access the BCM and monitor the LGATE_DCKLD_RLSE PID
.

Does the PID indicate the switch is pressed?

Yes

REMOVE the fused jumper wire. INSTALL a new liftgate release switch.
REFER to: Liftgate Release Switch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

No	REMOVE the fused jumper wire. GO to M7

M7 CHECK THE LIFTGATE RELEASE SWITCH INPUT CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect: BCM C2280F.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C4353-1 C2280F-31

Is the resistance less than 3 ohms?

Yes

GO to M12

No	REPAIR the circuit.

M8 CHECK FOR VOLTAGE TO THE LIFTGATE LATCH RELEASE MOTOR

Ignition OFF.

Disconnect Liftgate Latch C4223 .

Ignition ON.

Connect .
Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C4223-2		Ground

NOTE: The BCM only supplies voltage to the release motor momentarily. It is important to monitor the test lamp while pressing the liftgate release switch. While pressing the liftgate release switch, monitor the test lamp.

Does the test lamp momentarily illuminate?

Yes

GO to M9

GO to M10

M9 CHECK THE LIFTGATE LATCH RELEASE MOTOR GROUND CIRCUIT FOR AN OPEN

Connect .
Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C4223-2		C4223-5

NOTE: The BCM only supplies voltage to the release motor momentarily. It is important to monitor the test lamp while pressing the liftgate release switch. While pressing the liftgate release switch, monitor the test lamp.

Does the test lamp momentarily illuminate?

Yes

INSTALL a new liftgate latch.
REFER to: Liftgate Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

No	REPAIR the circuit.

M10 CHECK THE LIFTGATE LATCH RELEASE MOTOR VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect BCM C2280F .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C4223-2 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to M11

No	REPAIR the circuit.

M11 CHECK THE LIFTGATE LATCH RELEASE MOTOR VOLTAGE SUPPLY CIRCUIT FOR AN OPEN

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C4223-2 C2280F-10

Is the resistance less than 3 ohms?

Yes

GO to M12

No	REPAIR the circuit.

M12 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all the BCM connectors.

Repair:
- corrosion (install new connectors or terminals - clean module pins)
- damaged or bent pins - install new terminals pins
- pushed-out pins - install new pins as necessary

Reconnect the BCM connectors and make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST N: THE DOORS DO NOT LOCK OR UNLOCK USING THE KEYLESS ENTRY KEYPAD

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B121B:01	Keypad Input Switch: General Electrical Failure	Sets when the BCM detects a short to ground from any of the keyless entry keypad input circuits.

Possible Sources

Wiring, terminals or connectors
Keyless entry keypad
BCM

Visual Inspection and Pre-checks

Inspect the front door window moulding for damage.
Check the BCM fuse 12 (5A) and make sure it is OK.

N1 CHECK POWER LOCK OPERATION FROM THE DOOR LOCK CONTROL SWITCH

Press the lock and unlock button on the door lock control switch.

Do the doors lock and unlock?

Yes

GO to N2

No	REFER to the Symptom Chart: Handles, Locks, Latches and Entry Systems - Electrical in this section.

N2 CHECK THE BCM (BODY CONTROL MODULE) KEYPAD BUTTON PARAMETER IDENTIFICATIONS (PIDS)

Using a diagnostic scan tool, view the BCM Parameter Identifications (PIDs).

NOTE: When monitoring the capacitive sensor Parameter Identifications (PIDs), it is best to select a graph view. When a sensor is touched, the PID state rapidly switches between ON and OFF. Press each keyless entry keypad button while observing the BCM keypad button Parameter Identifications (PIDs) (KYPD_BTN_1/2, KYPD_BTN_3/4, KYPD_BTN_5/6, KYPD_BTN_7/8 and KYPD_BTN_9/0).

Do the Parameter Identifications (PIDs) indicate the buttons operate correctly?

Yes

GO to N9

GO to N3

N3 CHECK THE KEYLESS ENTRY KEYPAD VOLTAGE SUPPLY CIRCUIT FOR VOLTAGE

Ignition OFF.

Disconnect Keyless Entry Keypad C500 .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C500-1 Ground

Is the voltage greater than 11 volts?

Yes

GO to N5

No	VERIFY the BCM fuse 12 (5A) is OK. If OK, GO to N4 If not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short.

N4 CHECK THE KEYLESS ENTRY KEYPAD VOLTAGE SUPPLY CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect BCM C2280F .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C500-1 C2280F-69

Is the resistance less than 3 ohms?

Yes

GO to N10

No	REPAIR the circuit.

N5 CHECK THE KEYLESS ENTRY KEYPAD GROUND CIRCUIT FOR AN OPEN

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C500-1 C500-6

Is the voltage greater than 11 volts?

Yes

GO to N6

No	REPAIR the circuit.

N6 CHECK THE KEYLESS ENTRY KEYPAD CIRCUITS FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect BCM C2280F .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C500-3 Ground

Click to display connectors

Positive Lead Measurement / Action Negative Lead

C500-4 Ground

Click to display connectors

Positive Lead Measurement / Action Negative Lead

C500-5 Ground

Is any voltage present?

Yes

REPAIR the circuit.

GO to N7

N7 CHECK THE KEYLESS ENTRY KEYPAD CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect BCM C2280F .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C500-3 Ground

Click to display connectors

Positive Lead Measurement / Action Negative Lead

C500-4 Ground

Click to display connectors

Positive Lead Measurement / Action Negative Lead

C500-5 Ground

Are the resistance greater than 10,000 ohms?

Yes

GO to N8

No	REPAIR the circuit in question.

N8 CHECK THE KEYLESS ENTRY KEYPAD CIRCUIT FOR AN OPEN

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C500-3 C2280F-35

Click to display connectors

Positive Lead Measurement / Action Negative Lead

C500-4 C2280F-39

Click to display connectors

Positive Lead Measurement / Action Negative Lead

C500-5 C2280F-38

Is the resistance less than 3 ohms?

Yes

GO to N10

No	REPAIR the circuit in question.

N9 CHECK THE BCM (BODY CONTROL MODULE) KEYPAD CODE

Using a diagnostic scan tool, view the factory keyless entry code.

Enter the 5-digit factory set entry code on the keyless entry keypad, then touch the 3/4 button.

Simultaneously touch the 7/8 and 9/0 buttons for 3 seconds.

Do the doors unlock when the factory code is entered and lock when the 7/8 and 9/0 buttons are touched for 3 seconds?

Yes

The system is operating as designed. INFORM the customer of the correct system operation.

GO to N10

N10 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all the BCM connectors.

Repair:
- corrosion (install new connectors or terminals - clean module pins)
- damaged or bent pins - install new terminals pins
- pushed-out pins - install new pins as necessary

Reconnect the BCM connectors and make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST O: THE RKE (REMOTE KEYLESS ENTRY) TRANSMITTER OR IKT (INTEGRATED KEYHEAD TRANSMITTER) IS INOPERATIVE

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B10AB:00	Remote Keyless Entry Synchronization: No Sub Type Information	Sets when the BCM detects the rolling counter received from a RKE transmitter is out of synchronization with the rolling counter stored in the module.
BCM B1218:00	Transmitter Identification Code: No Sub Type Information	Sets when the BCM detects and invalid Transmitter Identification Code (TIC).

Possible Sources

Key/key fob battery
Key/key fob
Key/key fob button pressed a substantial amount of times while outside the range of the vehicle
Key/key fob programming
Network concern

Visual Inspection and Pre-checks

Inspect the key/key fob for damage.
Check for aftermarket keys/key/fobs.

NOTE: All customer keys/key fobs need to be present when diagnosing the RKE or IKT system.

NOTE: Using a diagnostic scan tool to compare the BCM TIC_xx_BCM (Programmed Transmitter ID Code (TIC) Value x) PID to the RTM RTM Lst_Xm_ID_Cd (Last Received Transmitter ID Code (TIC)) PID can be used to verify if a key in question is programmed to the vehicle..

O1 CHECK FOR THE CORRECT KEYS/KEY FOBS

Verify all keys/key fobs present are the correct type for the vehicle. Refer to the PATS Job Aid in the Service Tips tab on the Professional Technician Society (PTS) web page or the parts catalog.

Are the correct keys present?

Yes

For vehicles equipped with standard PATS keys (fob concern), GO to O5
For vehicles equipped with IKT keys, GO to O2
For vehicles equipped with push button start, GO to O4

No	The system cannot be tested without the correct keys/key fobs. INFORM the customer that all of the correct keys/key fobs must be present to proceed with diagnosis of the system.

O2 CHECK IF THE KEYS START THE VEHICLE (VEHICLES NOT EQUIPPED WITH PUSH BUTTON START)

Place the first key in the ignition lock cylinder and attempt to start the vehicle.

Ignition OFF.

Place the second key in the ignition lock cylinder and attempt to start the vehicle.

Do both keys start the vehicle?

Yes

GO to O3

No	REFER to: Passive Anti-Theft System (PATS) (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, Diagnosis and Testing).

O3 CHECK THE BCM (BODY CONTROL MODULE) UNLIMITED KEY MODE

NOTE: When the BCM is set to Unlimited Key mode, the IKT keys still start the vehicle but the RKE functionality is inoperative. The BCM only recognizes the first 2 keys reprogrammed for RKE functionality after it is set to Unlimited Key mode.

Ignition ON.

NOTE: Unlimited Key mode is used when more than 8 keys are required to be programmed to the vehicle. This mode should only be used for Fleet vehicle purposes. Using a diagnostic scan tool, access the security feature and determine if the BCM is in Unlimited Key mode.
REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures).

Is the BCM Unlimited Key mode enabled?

Yes

If this is the desired mode, ERASE and PROGRAM the keys.
REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures). If this is not the desired mode, DISABLE the Unlimited Key mode. All IKT keys (up to 4) programmed prior to the BCM Unlimited Key mode being enabled have the RKE function restored.

GO to O5

O4 CHECK IF THE KEYS START THE VEHICLE (VEHICLES EQUIPPED WITH PUSH BUTTON START)

Place the first key in the backup starting location and attempt to start the vehicle.
REFER to: Passive Anti-Theft System (PATS) - Component Location (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, Description and Operation).

Ignition OFF.

Place the second key in the backup starting location and attempt to start the vehicle.

Do both keys start the vehicle?

Yes

GO to O5

No	REFER to: Passive Anti-Theft System (PATS) (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, Diagnosis and Testing).

O5 CHECK FOR REDUCED RANGE

NOTE: Make sure the vehicle is in an open area with no other large metal objects near, such as other vehicles or steel buildings.

NOTE: If the RKE or IKT functions when near the vehicle, but not at approximately 30m (98 ft), a poor range concern is present.

Check all keys/key fobs for normal range performance (approximately 30m (98 ft)).

Does any key experience a poor range concern?

Yes

GO to Pinpoint Test Q

GO to O6

O6 CHECK THE RKE (REMOTE KEYLESS ENTRY) OR IKT (INTEGRATED KEYHEAD TRANSMITTER) FUNCTIONALITY OF THE KEYS/KEY FOBS

Press each RKE button on a key/key fob. Repeat this step on a second key/key fob.

Are all the RKE or IKT functions inoperative from both keys/key fobs?

Yes

GO to O17

GO to O7

O7 CHECK THE FUNCTIONALITY OF THE SUSPECT KEY/KEY FOB

Press each key/key fob button (twice for the liftgate latch unlock) on the suspect key/key fob.

Does any key/key fob button function operate?

Yes

GO to Pinpoint Test P

GO to O8

O8 CHECK THE NO (TIC) OUT OF SYNC (TIC-NONE_OOS) PID (PARAMETER IDENTIFICATION)

Ignition ON.

Using a diagnostic scan tool, view the BCM Parameter Identifications (PIDs).

Using a diagnostic scan tool, monitor the BCM PID TIC-NONE_OOS.

Does the PID indicate On?

Yes

GO to O13

No	For vehicles equipped with standard PATS keys (fob concern) GO to O9 For vehicles equipped with IKT keys, GO to O10 For vehicles equipped with push button start, GO to O11

O9 RESYNCHRONIZE THE INOPERATIVE KEY BY CYCLING THE IGNITION (FOR VEHICLES WITHOUT REMOTE START)

Insert the suspect key into the ignition lock cylinder.

Ignition ON.

Wait 10 seconds.

Ignition OFF.

Remove the suspect key from the ignition lock cylinder and check the RKE transmitter operation.

Does the suspect key operate correctly now?

Yes

The system is OK. The concern was caused by a key out of synchronization.

GO to O12

O10 RESYNCHRONIZE THE INOPERATIVE KEY FOB (FOR VEHICLES WITH REMOTE START)

Within 1 second, press any button on the suspect key fob 3 times consecutively.

Check the operation of the key fob.

Does the suspect key fob operate correctly now?

Yes

The system is OK. The concern was caused by a key fob out of synchronization.

GO to O12

O11 RESYNCHRONIZE THE INOPERATIVE PASSIVE KEY

Ignition OFF.

Place the suspect key in the backup starting location.
REFER to: Passive Anti-Theft System (PATS) - Component Location (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, Description and Operation).

Ignition ON.

Wait 10 seconds.

Ignition OFF.

Within 30 seconds, press any button on the suspect key 4 times consecutively.

Does the suspect key operate correctly now?

Yes

The system is OK. The concern was caused by a key out of synchronization.

GO to O12

O12 RESYNCHRONIZE THE INOPERATIVE KEY USING THE SECOND KEY/KEY FOB

Press any button on the operational key/key fob.

Within 30 seconds, press any button on the suspect key/key fob.

Check the suspect key/key fob for correct operation.

Does the suspect key/key fob operate correctly now?

Yes

The system is OK. The concern was caused by a key/key fob out of synchronization.

GO to O16

O13 CHECK THE (RKE) REMOTE BATTERY LOW (RKE_BATT_LOW) PID (PARAMETER IDENTIFICATION) (FOR VEHICLES WITH REMOTE START)

Using a diagnostic scan tool, view the BCM Parameter Identifications (PIDs).

Using a diagnostic scan tool, monitor the BCM PID RKE_BATT_LOW.

Does the PID indicate Off?

Yes

GO to O16

No	For an IKT or key fob, GO to O14 For a passive key, GO to O15

O14 CHECK THE KEY/KEY FOB BATTERY (VEHICLES WITHOUT REMOTE START)

Ignition OFF.

NOTE: Do not clean off any grease from the battery terminals on the back surface of the circuit board. Remove the key/key fob battery. Refer to the Owner's Literature for battery removal instructions.

Verify the correct battery is used. Refer to the Owner's Literature.

Measure the key battery voltage.

Is the voltage greater than 2.1 volts?

Yes

REPLACE the suspect key/key fob. PROGRAM a new IKT or key fob.
REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures).

No	REPLACE the key/key fob battery (make sure the battery is seated correctly). DO NOT reprogram the key/key fob (damaged or dead battery does not erase keys/key fobs from memory).

O15 CHECK THE PASSIVE KEY BATTERIES (VEHICLES WITH REMOTE START)

NOTE: Do not clean off any grease from the battery terminals on the back surface of the circuit board.

Remove the passive key batteries. Refer to the Owner's Literature for battery removal instructions.

Verify the correct batteries are used. Refer to the Owner's Literature.

Remove both key batteries and measure the voltage.

Are the voltages greater than 2.1 volts?

Yes

REPLACE the suspect key. PROGRAM a new passive key.
REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures).

No	REPLACE both key batteries (make sure the batteries are seated correctly). DO NOT reprogram the key (damaged or dead batteries do not erase keys from memory).

O16 PROGRAM THE SUSPECT KEY/KEY FOB

Program the suspect key/key fob.
- For vehicles not equipped with push button start,
  REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures).
- For vehicles equipped with push button start,
  REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures).

Check the RKE or IKT functionality of the suspect key/key fob.

Does the RKE or IKT functionality operate?

Yes

The system is OK. The concern was caused by an unprogrammed key/key fob.

REPLACE the suspect key/key fob. PROGRAM the new key/key fob. For vehicles not equipped with push button start,
REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures). For vehicles equipped with push button start,
REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures).

O17 CHECK FOR COMMUNICATION WITH THE BCM (BODY CONTROL MODULE) OR THE RTM (RADIO TRANSCEIVER MODULE)

Ignition ON.

Using a diagnostic scan tool, carry out a network test.

Does the BCM and/or the RTM pass the network test?

Yes

GO to O18 GO to O19 (for vehicles without remote start)

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

O18 CHECK FOR RTM (RADIO TRANSCEIVER MODULE) DIAGNOSTIC TROUBLE CODES (DTCS) (VEHICLES WITH REMOTE START)

Using a diagnostic scan tool, carry out the RTM module self-test.

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to the Master Diagnostic Trouble Code (DTC) Chart.

GO to O19

O19 CHECK FOR BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, carry out a BCM module self-test.

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to the Master Diagnostic Trouble Code (DTC) Chart.

No	GO to Pinpoint Test U

PINPOINT TEST P: AN INDIVIDUAL BUTTON/FEATURE IS INOPERATIVE FROM THE RKE (REMOTE KEYLESS ENTRY) TRANSMITTER OR IKT (INTEGRATED KEYHEAD TRANSMITTER)

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

Possible Sources

Door lock system concern
Liftgate latch release system concern
Power liftgate system concern
Horn system concern
Turn signal system concern
Remote start system concern
Key/key fob

Visual Inspection and Pre-checks

Inspect the key/key fob for damage.

P1 VERIFY THE DOOR LOCK OPERATION

Press the lock and unlock button on the door lock control switch while observing the door lock operation.

Do the door locks operate?

Yes

GO to P2

No	REFER to the Symptom Chart: Handles, Locks, Latches and Entry Systems - Electrical in this section.

P2 VERIFY THE HORN OPERATION USING THE BCM (BODY CONTROL MODULE) PID (PARAMETER IDENTIFICATION) (HORN_RELAY)

Ignition ON.

Using a diagnostic scan tool, view the BCM Parameter Identifications (PIDs).

Select the BCM horn PID (HORN_RELAY) and active command the horn on then off.

Does the horn sound when commanded on?

Yes

GO to P3

No	REFER to: Horn (413-06 Horn, Diagnosis and Testing).

P3 VERIFY THE HAZARD LAMP OPERATION

Activate the hazard lamp function.

Do the hazard lamps operate correctly?

Yes

GO to P4

No	REFER to: Turn Signal and Hazard Lamps (417-01 Exterior Lighting, Diagnosis and Testing).

P4 VERIFY THE LIFTGATE LATCH RELEASE OPERATION

Ignition ON.

Unlock the doors using the door lock control switch.

Press the liftgate release button located at the rear of the vehicle.

Does the liftgate latch release (manual liftgate) or the liftgate power open (power liftgate)?

Yes

GO to P5

No	For a manual liftgate, GO to Pinpoint Test M For a power liftgate, REFER to: Body Closures (501-03 Body Closures, Diagnosis and Testing).

P5 CHECK THE LOCK AND UNLOCK BUTTONS

Ignition OFF.

Press the lock and then unlock button on the suspect key/key fob.

Do the doors lock and unlock?

Yes

GO to P6

REPLACE the suspect key/key fob. PROGRAM the new key. For an IKT or a key fob,
REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures). For a passive key,
REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures).

P6 CHECK THE LIFTGATE BUTTON

Press the liftgate button twice on the suspect key/key fob.
- For vehicles with a manual liftgate, press the liftgate release button located on the liftgate within 45 seconds of pressing the button on the RKE transmitter.

Does the liftgate latch release (manual liftgate) or the power open (power liftgate)?

Yes

If not equipped with a panic alarm/vehicle locator button, REPLACE the suspect key/key fob. PROGRAM the new key.
REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures). If equipped with a panic alarm/vehicle locator button, GO to P7

REPLACE the suspect key. PROGRAM the new key. For an IKT or a key fob,
REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures). For a passive key,
REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures).

P7 CHECK THE PANIC ALARM/VEHICLE LOCATOR BUTTON

Press the panic alarm/vehicle locator on the suspect passive key.

Do the exterior lamps flash and the horn sound?

Yes

If not equipped with factory remote start, REPLACE the suspect key/key fob. PROGRAM the new key. For an IKT or a key fob,
REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures). For a passive key,
REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures). If equipped with factory remote start, GO to P8

No	REPLACE the suspect key. PROGRAM the new key. REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures).

P8 VERIFY THE REMOTE START OPERATION

Close all the doors, the hood and the liftgate.

NOTE: Each button press must be done within 3 seconds of each other. From outside the vehicle using the key:
- Press the door lock button.
- Press the remote start button twice.

Does the vehicle remotely start?

Yes

The RKE transmitter is operating correctly. INFORM the customer of the RKE transmitter operation.

No	GO to Pinpoint Test R

PINPOINT TEST Q: THE RKE (REMOTE KEYLESS ENTRY) OR IKT (INTEGRATED KEYHEAD TRANSMITTER) TRANSMITTER HAS POOR RANGE PERFORMANCE

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

Possible Sources

Key/key fob
Key/key fob battery/batteries
Aftermarket system
Consumer electronic device
High power devices
TV/radio transmission towers
RTM
BCM

Visual Inspection and Pre-checks

Inspect the key/key fob for damage.
Inspect the key/key fob battery/batteries.
Inspect for aftermarket RKE systems.

NOTE: At least 2 programmed keys/key fobs must be present to begin diagnosis of the RKE system.

Q1 CHECK FOR THE CORRECT KEYS/KEY FOBS

Check that the correct keys/key fobs are used with the vehicle. Refer to the PATS Job Aid in the Service Tips tab on the Professional Technician Society (PTS) web page or the parts catalog.

Are the correct keys/key fobs present?

Yes

GO to Q2

No	The system cannot be tested without the correct keys/key fobs. INFORM the customer the correct keys/key fobs must be present to proceed with diagnosis of the system.

Q2 CHECK ALL KEYS/KEY FOBS FOR POOR RANGE PERFORMANCE

NOTE: Make sure the vehicle is in an open area with no other large metal objects near, such as other vehicles or steel buildings.

Check all keys/key fobs for normal range performance (approximately 30 m (98 ft).

Do all keys/key fobs experience poor range?

Yes

GO to Q5

No	For an IKT or key fob, GO to Q3 For a passive key, GO to Q4

Q3 CHECK THE KEY/KEY FOB BATTERY

NOTE: Do not clean off any grease from the battery terminals on the back surface of the circuit board.

Remove the key/key fob battery. Refer to the Owner's Literature for battery removal instructions.

Verify the correct battery is used. Refer to the Owner's Literature.

Measure the key/key fob battery voltage.

Is the voltage greater than 2.1 volts?

Yes

REPLACE the suspect key/key fob. PROGRAM the new key/key fob.
REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures).

No	REPLACE the key/key fob battery (make sure the battery is seated correctly). DO NOT reprogram the key/key fob (weak or dead batteries do not erase keys/key fobs from the BCM memory).

Q4 CHECK THE PASSIVE KEY BATTERIES

NOTE: Do not clean off any grease from the battery terminals on the back surface of the circuit board.

Remove the passive key batteries. Refer to the Owner's Literature for battery removal instructions.

Verify the correct batteries are used. Refer to the Owner's Literature.

Measure the key batteries voltage.

Are the voltages greater than 2.1 volts?

Yes

REPLACE the suspect key. PROGRAM the new key.
REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures).

No	REPLACE both key batteries (make sure the batteries are seated correctly). DO NOT reprogram the key (weak or dead batteries do not erase keys from memory).

Q5 CHECK THE LOCATION OF THE VEHICLE AND THE APPROACH ANGLES AROUND THE VEHICLE

Make sure the poor performance is consistent in nature and is not from one approaching angle.

The RKE transmitter or the IKT range performance may be degraded in certain locations. For example, if the vehicle or RKE transmitter, IKT is within range of high-power devices, radio/TV towers, 2-way radios, cell phone charger or other radio communication device, the operating distance of the keys may be reduced.

Is the poor range performance consistent around the vehicle?

Yes

INSTALL a new RTM (vehicles with remote start). Install a new BCM (vehicles without remote start
REFER to: Radio Transceiver Module (RTM) (419-10 Multifunction Electronic Modules, Removal and Installation).
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	The system is operating correctly at this time. The range may have been affected by environmental interference such as high-power devices or other radio communication device.

PINPOINT TEST R: THE REMOTE START FEATURE IS INOPERATIVE

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

Possible Sources

Wiring, terminals or connectors
Remote start feature not enabled
Key
Hood ajar switch input concern
Door ajar switch input concern
TR input concern
PCM
Key
BCM
SOBDMC

Visual Inspection and Pre-checks

Inspect the passive key for damage.

NOTE: This pinpoint test does not diagnose dealer installed remote start systems.

R1 CHECK THE REMOTE START FEATURE ENABLE/DISABLE SETTING

Ignition ON.

Check the remote start feature setting in the Sync screen.

Is the remote start feature enabled?

Yes

GO to R2

No	ENABLE the remote start feature.

R2 CHECK THE PARK DETECT SWITCH INPUT

Ignition ON.

Verify the PRNDL displays correctly in the IPC . When the vehicle is in PARK, the P should be highlighted or displayed prominently.

Does the PRNDL display correctly?

Yes

GO to R3

DIAGNOSE the PRNDL display.
REFER to: Instrumentation, Message Center and Warning Chimes (413-01 Instrumentation, Message Center and Warning Chimes, Diagnosis and Testing).
REFER to: Instrumentation, Message Center and Warning Chimes - Vehicles With: Head Up Display (HUD) (413-01 Instrumentation, Message Center and Warning Chimes, Diagnosis and Testing).

R3 CHECK FOR BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, carry out the BCM self-test.

Are any BCM Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to the Master Diagnostic Trouble Code (DTC) Chart.

GO to R4

R4 CHECK FOR POWERTRAIN DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, carry out the PCM KOEO and KOER self-tests.

Are any PCM Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to the Master Diagnostic Trouble Code (DTC) Chart.

GO to R5

R5 CHECK THE RKE (REMOTE KEYLESS ENTRY) FUNCTIONALITY

Ignition OFF.

Using the RKE function of the key, press the liftgate button twice, the lock button and then the unlock button.
- For vehicles with a manual liftgate, press the liftgate release button at the rear of the vehicle.

Do all the functions tested of the RKE transmitter operate (doors lock, doors unlock and liftgate latch unlock or power liftgate open)?

Yes

GO to R6

No	If all of the functions are inoperative, GO to Pinpoint Test O If an individual function is inoperative, GO to Pinpoint Test P

R6 CHECK THE WAKE-UP CIRCUIT FOR VOLTAGE AT THE PCM (POWERTRAIN CONTROL MODULE) AND SOBDMC (SECONDARY ON-BOARD DIAGNOSTIC CONTROL MODULE C) (IF EQUIPPED) USING THE BCM (BODY CONTROL MODULE) PID (PARAMETER IDENTIFICATION) (PCM) WAKE-UP OUTPUT CONTROL (PCM_WKUP_CTRL)

Disconnect PCM B connector and SOBDMC (if equipped) A connector.

Ignition ON.

Using a diagnostic scan tool, command the BCM PID PCM_WKUP_CTRL on.

Measure:
Click to display connectors
1.5L GTDI

Positive Lead Measurement / Action Negative Lead

C175B-52 Ground

Click to display connectors
2.0L TIVCT

Positive Lead Measurement / Action Negative Lead

C1551B-52 Ground

Click to display connectors
2.5L FHEV/PHEV

Positive Lead Measurement / Action Negative Lead

C1381B-21 Ground

Click to display connectors
SOBDMC (if equipped)

Positive Lead Measurement / Action Negative Lead

C199A-13 Ground

Is the voltage greater than 11 volts?

Yes

GO to R8

GO to R7

R7 CHECK THE WAKE-UP CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect BCM C2280E and BCM C2280D .

Measure:
Click to display connectors
1.5L GTDI

Positive Lead Measurement / Action Negative Lead

C175B-52 C2280E-10

Click to display connectors
2.0L TIVCT

Positive Lead Measurement / Action Negative Lead

C1551B-52 C2280E-10

Click to display connectors
2.5L FHEV/PHEV

Positive Lead Measurement / Action Negative Lead

C1381B-21 C2280E-10

Click to display connectors
2.5L FHEV/PHEV SOBDMC (if equipped)

Positive Lead Measurement / Action Negative Lead

C199A-13 C2280E-10

Is the resistance less than 3 ohms?

Yes

GO to R9

No	REPAIR the circuit.

R8 VERIFY THE REMOTE START FUNCTION IS INOPERATIVE

Ignition OFF.

Connect PCM B connector.

Close all the doors, the hood and the liftgate.

Using the key:
- Press the door lock button.
- Press the remote start button twice.

Does the vehicle remotely start?

Yes

The system is operating correctly. INFORM the customer of the correct vehicle remote start operation.

REPLACE the suspect key. PROGRAM the new key. For an IKT ,
REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures). For a passive key,
REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures).

R9 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all the BCM connectors.

Repair:
- corrosion (install new connectors or terminals - clean module pins)
- damaged or bent pins - install new terminals pins
- pushed-out pins - install new pins as necessary

Reconnect the BCM connectors and make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST S: A DOOR PASSIVE ENTRY FEATURE IS INOPERATIVE

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B1336:01	Left Front Door External Antenna: General Electrical Failure	Sets when the BCM detects a fault from one of the circuits to the driver side keyless entry antenna (internal to the front driver exterior door handle).
BCM B1337:01	Right Front Door External Antenna: General Electrical Failure	Sets when the BCM detects a fault from one of the circuits to the passenger side keyless entry antenna (internal to the front passenger exterior door handle).
BCM B1381:11	Left Front Door Handle Proximity Sensor: Circuit Short To Ground	Sets when the BCM detects a fault from one of the circuits to the left front exterior door handle
BCM B1381:15	Left Front Door Handle Proximity Sensor: Circuit Short To Battery Or Open	Sets when the BCM detects a fault from one of the circuits to the left front exterior door handle
BCM B1381:29	Left Front Door Handle Proximity Sensor: Signal Invalid	Sets when the BCM detects an activated touch sensor for more than 5 minutes.
BCM B1382:11	Right Front Door Handle Proximity Sensor: Circuit Short To Ground	Sets when the BCM detects a fault from one of the circuits to the right front exterior door handle
BCM B1382:15	Right Front Door Handle Proximity Sensor: Circuit Short To Battery Or Open	Sets when the BCM detects a fault from one of the circuits to the right front exterior door handle
BCM B1382:29	Right Front Door Handle Proximity Sensor: Signal Invalid	Sets when the BCM detects an activated touch sensor for more than 5 minutes.

Possible Sources

Wiring, terminals or connectors
Door lock system concern
RKE system concern
Exterior door handle
BCM

Visual Inspection and Pre-checks

Inspect the exterior door handles for damage

S1 CHECK THE DOOR LOCK OPERATION

Lock and unlock the doors using a door lock control switch.

Do the doors lock and unlock?

Yes

GO to S2

No	REFER to the Symptom Chart: Handles, Locks, Latches and Entry Systems - Electrical in this section.

S2 CHECK THE RKE (REMOTE KEYLESS ENTRY) OPERATION

Press the lock and unlock buttons on a key.

Do the doors lock and unlock?

Yes

GO to S3

No	GO to Pinpoint Test O

S3 CHECK THE PASSIVE ENTRY OPERATION FROM BOTH FRONT DOORS

Operate the passive entry feature from the left and right doors.

Is the passive entry feature inoperative from both front doors?

Yes

GO to S4

GO to S7

S4 CHECK THE EXTERIOR DOOR HANDLE GROUND CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect BCM C2280G .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C2280G-10 Ground

Is any voltage present?

Yes

REPAIR the circuit.

GO to S5

S5 CHECK THE EXTERIOR DOOR HANDLE GROUND CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C2280G-10 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to S6

No	REPAIR the circuit.

S6 CHECK THE EXTERIOR DOOR HANDLE GROUND CIRCUIT FOR AN OPEN (BOTH FRONT DOORS PASSIVE ENTRY INOPERATIVE)

Disconnect Left Front Exterior Door Handle C573 .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C573-4 C2280G-10

Is the resistance less than 3 ohms?

Yes

GO to S16

No	REPAIR the circuit.

S7 CHECK FOR VOLTAGE TO THE EXTERIOR DOOR HANDLE

Ignition OFF.

Disconnect the suspect exterior door handle.

Measure:
Click to display connectors
Left Front

Positive Lead Measurement / Action Negative Lead

C573-1 Ground

Click to display connectors
Right Front

Positive Lead Measurement / Action Negative Lead

C634-1 Ground

Is the voltage greater than 11 volts?

Yes

GO to S10

GO to S8

S8 CHECK THE EXTERIOR DOOR HANDLE VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND

Disconnect BCM C2280G .

Measure:
Click to display connectors
Left Front

Positive Lead Measurement / Action Negative Lead

C573-1 Ground

Click to display connectors
Right Front

Positive Lead Measurement / Action Negative Lead

C634-1 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to S9

No	REPAIR the circuit.

S9 CHECK THE EXTERIOR DOOR HANDLE VOLTAGE SUPPLY CIRCUIT FOR AN OPEN

Measure:
Click to display connectors
Left Front

Positive Lead Measurement / Action Negative Lead

C573-1 C2280G-4

Click to display connectors
Right Front

Positive Lead Measurement / Action Negative Lead

C634-1 C2280G-12

Is the resistance less than 3 ohms?

Yes

GO to S16

No	REPAIR the circuit.

S10 CHECK THE EXTERIOR DOOR HANDLE GROUND CIRCUIT FOR AN OPEN

Disconnect BCM C2280G .

Measure:
Click to display connectors
Left Front

Positive Lead Measurement / Action Negative Lead

C573-4 C2280G-10

Click to display connectors
Right Front

Positive Lead Measurement / Action Negative Lead

C634-4 C2280G-10

Is the resistance less than 3 ohms?

Yes

GO to S11

No	REPAIR the circuit.

S11 CHECK THE EXTERIOR DOOR HANDLE INTERNAL ANTENNA

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C573-2 C573-3

C634-2 C634-3

Is the resistance between 1 and 3 ohms?

Yes

GO to S12

No	INSTALL a new front exterior handle. REFER to: Exterior Front Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

S12 CHECK THE EXTERIOR DOOR HANDLE

Remove the opposite side exterior door handle.
REFER to: Exterior Front Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

Transfer the exterior door handle from the opposite side of the vehicle to the suspect exterior door. For example, if the left front exterior door handle is suspect, transfer the right front exterior door handle to the left front door.

Connect BCM C2280G .

Operate the keyless entry feature from the suspect door.

Does the keyless entry feature operate from the suspect door?

Yes

INSTALL a new exterior handle.
REFER to: Exterior Front Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

GO to S13

S13 CHECK THE EXTERIOR DOOR HANDLE ANTENNA CIRCUITS FOR A SHORT TO VOLTAGE

Disconnect BCM C2280G .

Disconnect Suspect Exterior Front Door Handle .

Ignition ON.

Measure:
Click to display connectors
Left Front

Positive Lead Measurement / Action Negative Lead

C573-2 Ground

C573-3 Ground

Click to display connectors
Right Front

Positive Lead Measurement / Action Negative Lead

C634-2 Ground

C634-3 Ground

Is any voltage present?

Yes

REPAIR the circuit in question.

GO to S14

S14 CHECK THE EXTERIOR DOOR HANDLE ANTENNA CIRCUITS FOR A SHORT TO GROUND

Ignition OFF.

Measure:
Click to display connectors
Left Front

Positive Lead Measurement / Action Negative Lead

C573-2 Ground

C573-3 Ground

Click to display connectors
Right Front

Positive Lead Measurement / Action Negative Lead

C634-2 Ground

C634-3 Ground

Are the resistances greater than 10,000 ohms?

Yes

GO to S15

No	REPAIR the circuit in question.

S15 CHECK THE EXTERIOR DOOR HANDLE ANTENNA CIRCUITS FOR AN OPEN

Measure:
Click to display connectors
Left Front

Positive Lead Measurement / Action Negative Lead

C573-2 C2280G-15

C573-3 C2280G-7

Click to display connectors
Right Front

Positive Lead Measurement / Action Negative Lead

C634-2 C2280G-16

C634-3 C2280G-8

Are the resistances less than 3 ohms?

Yes

GO to S16

No	REPAIR the circuit in question.

S16 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all the BCM connectors.

Repair:
- corrosion (install new connectors or terminals - clean module pins)
- damaged or bent pins - install new terminals pins
- pushed-out pins - install new pins as necessary

Reconnect the BCM connectors and make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST T: THE LIFTGATE PASSIVE ENTRY FEATURE IS INOPERATIVE

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B10C7:01	Interior Trunk Antenna: General Electrical Failure	Sets when the BCM detects a fault from the keyless entry rear antenna input.

Possible Sources

Wiring, terminals or connectors
Keyless entry rear antenna
BCM

T1 CHECK THE DOOR PASSIVE ENTRY FUNCTION

Ignition OFF.

Lock the doors.

Check the passive entry feature at the driver front door.

Does the door passive entry feature operate?

Yes

GO to T2

No	GO to Pinpoint Test S

T2 CHECK THE LIFTGATE RELEASE SWITCH INPUT

Close the liftgate.

Ignition ON.

Unlock the doors using the door lock control switch.

Press the liftgate release button located at the rear of the vehicle.

Does the liftgate latch release (manual liftgate) or power open (power liftgate)?

Yes

GO to T3

No	For vehicles with a manual liftgate, GO to Pinpoint Test M For vehicles with a power liftgate, REFER to: Body Closures (501-03 Body Closures, Diagnosis and Testing).

T3 CHECK THE KEYLESS ENTRY REAR ANTENNA

Ignition OFF.

Disconnect Keyless Entry Rear Antenna C4029 .

Measure:
Click to display connectors
Right Front

Positive Lead Measurement / Action Negative Lead

C4029-1 C4029-2

Is the resistance between 1 and 3 ohms?

Yes

GO to T4

No	INSTALL a new keyless entry rear antenna. REFER to: Keyless Entry Rear Antenna (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

T4 CHECK THE KEYLESS ENTRY REAR ANTENNA CIRCUITS FOR A SHORT TO VOLTAGE

Disconnect BCM C2280G .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C4029-1 Ground

C4029-2 Ground

Is any voltage present?

Yes

REPAIR the circuit in question.

GO to T5

T5 CHECK THE KEYLESS ENTRY REAR ANTENNA CIRCUITS FOR A SHORT TO GROUND

Ignition OFF.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C4029-1 Ground

C4029-2 Ground

Are the resistances greater than 10,000 ohms?

Yes

GO to T6

No	REPAIR the circuit in question.

T6 CHECK THE KEYLESS ENTRY REAR ANTENNA CIRCUITS FOR AN OPEN

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C4029-1 C2280G-14

C4029-2 C2280G-6

Are the resistances less than 3 ohms?

Yes

GO to T7

No	REPAIR the circuit in question.

T7 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all the BCM connectors.

Repair:
- corrosion (install new connectors or terminals - clean module pins)
- damaged or bent pins - install new terminals pins
- pushed-out pins - install new pins as necessary

Reconnect the BCM connectors and make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST U: U0258:87 OR U1A00:00

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

The RTM communicates with the BCM over a LIN -based circuit and, when the network is awake, over the CAN .

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM U0258:87	Lost Communication With Radio Transceiver: Missing Message	Sets when the BCM detects a communication fault with the RTM over the LIN -based circuit.
RTM U1A00:00	Private Communication Network: No Sub Type Information	Sets when the RTM detects a fault with the LIN -based circuit to the BCM .

Possible Sources

Wiring, terminals or connectors
RTM
BCM

U1 CHECK IF THE RTM (RADIO TRANSCEIVER MODULE) AND THE BCM (BODY CONTROL MODULE) PASS THE NETWORK TEST

Ignition ON.

Using a diagnostic tool, carry out the network test.

Does the RTM and the BCM pass the network test?

Yes

GO to U2

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

U2 CHECK THE LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF:

Disconnect RTM C9026 .

Disconnect BCM C2280D .

Ignition ON:

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C9026-2 Ground

Is any voltage present?

Yes

REPAIR the circuit.

GO to U3

U3 CHECK THE LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C9026-2 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to U4

No	REPAIR the circuit.

U4 CHECK THE LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR AN OPEN

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C9026-2 C2280D-33

Is the resistance less than 3 ohms?

Yes

GO to U5

No	REPAIR the circuit.

U5 CHECK FOR CORRECT RTM (RADIO TRANSCEIVER MODULE) OPERATION

Disconnect and inspect the RTM connector.

Repair:
- corrosion (install new connectors or terminals - clean module pins)
- damaged or bent pins - install new terminals pins
- pushed-out pins - install new pins as necessary

Reconnect the RTM connector and make sure it seats and latches correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new RTM
REFER to: Radio Transceiver Module (RTM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST V: U0140:00

Normal Operation and Fault Conditions

The DDM / PDM communicates with the BCM over the CAN . If the DDM / PDM does not receive messages from the BCM , features such as the puddle lamps, exterior mirror turn signal and door switch illumination can be inoperative.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
DDM U0140:00	Lost Communication With Body Control Module: No Sub Type Information	Sets when the DDM detects data messages are missing from the BCM .
PDM U0140:00	Lost Communication With Body Control Module: No Sub Type Information	Sets when the PDM detects data messages are missing from the BCM .

Possible Sources

Network communication concern
DDM / PDM
BCM

V1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to V2

No	The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

V2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, carry out a network test.

Does the BCM pass the network test?

Yes

GO to V3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

V3 CHECK FOR BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, carry out the BCM self-test.

Are any voltage related Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing).

GO to V4

V4 RECHECK THE DDM (DRIVER DOOR MODULE) OR PDM (PASSENGER DOOR MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

NOTE: If new modules were installed prior to the DTC being set, the module configuration may be incorrectly set during PMI or the PMI may not have been performed.

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the DDM / PDM self-test.

Is DTC U0140:00 still present?

Yes

GO to V5

No	The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

V5 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0140 SET IN OTHER MODULES

Using a diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs).

Ignition OFF.

Ignition ON.

Wait 30 seconds.

Using a diagnostic scan tool, retrieve the Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.

Is DTC U0140 set in other modules?

Yes

INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	INSTALL a new DDM or PDM . REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation). REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

PINPOINT TEST W: U0208:00

Normal Operation and Fault Conditions

The DDM / PDM communicate with the DSM over the CAN . If the DDM / PDM does not receive messages from the DSM , features such as the memory mirror position can be inoperative.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
DDM U0208:00	Lost Communication With 'Seat Control Module A': No Sub Type Information	Sets when the DDM detects data messages are missing from the DSM .
PDM U0208:00	Lost Communication With 'Seat Control Module A': No Sub Type Information	Sets when the PDM detects data messages are missing from the DSM .

Possible Sources

Network communication concern
DDM / PDM
DSM

W1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to W2

No	The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

W2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, carry out a network test.

Does the DSM pass the network test?

Yes

GO to W3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

W3 CHECK FOR DSM (DRIVER FRONT SEAT MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, carry out the DSM self-test.

Are any voltage related Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to: Front Seats (501-10A Front Seats, Diagnosis and Testing).

GO to W4

W4 RECHECK THE DDM (DRIVER DOOR MODULE) OR PDM (PASSENGER DOOR MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

NOTE: If new modules were installed prior to the DTC being set, the module configuration may be incorrectly set during PMI or the PMI may not have been performed.

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the DDM / PDM self-test.

Is DTC U0208:00 still present?

Yes

GO to W5

No	The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

W5 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0208 SET IN OTHER MODULES

Using a diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs).

Ignition OFF.

Ignition ON.

Wait 30 seconds.

Using a diagnostic scan tool, retrieve the Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.

Is DTC U0208 set in other modules?

Yes

INSTALL a new DSM .
REFER to: Driver Front Seat Module (DSM) (501-10A Front Seats, Removal and Installation).

No	INSTALL a new DDM or PDM . REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation). REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

PINPOINT TEST X: U0232:00

Normal Operation and Fault Conditions

The DDM / PDM communicates with the SODL over the CAN . If the DDM / PDM does not receive messages from the SODL , the side obstacle detection feature can be inoperative for the left side.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
DDM U0232:00	Lost Communication With Side Obstacle Detection Control Module 'A': No Sub Type Information	Sets when the DDM detects data messages are missing from the SODL .
PDM U0232:00	Lost Communication With Side Obstacle Detection Control Module 'A': No Sub Type Information	Sets when the PDM detects data messages are missing from the SODL .

Possible Sources

Network communication concern
DDM
PDM
SODL

X1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to X2

No	The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

X2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, carry out a network test.

Does the SODL pass the network test?

Yes

GO to X3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

X3 CHECK FOR SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, carry out the SODL self-test.

Are any voltage related Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to: Blind Spot Information System (419-04 Side and Rear Vision, Diagnosis and Testing).

GO to X4

X4 RECHECK THE DDM (DRIVER DOOR MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

NOTE: If new modules were installed prior to the DTC being set, the module configuration may be incorrectly set during PMI or the PMI may not have been performed.

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the DDM or PDM self-test.

Is DTC U0232:00 still present?

Yes

GO to X5

No	The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

X5 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0232 SET IN OTHER MODULES

Using a diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs).

Ignition OFF.

Ignition ON.

Wait 30 seconds.

Using a diagnostic scan tool, retrieve the Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.

Is DTC U0232 set in other modules?

Yes

INSTALL a new SODL .
REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).

No	INSTALL a new DDM or PDM . REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation). REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

PINPOINT TEST Y: U0233:00

Normal Operation and Fault Conditions

The DDM / PDM communicates with the SODR over the CAN . If the DDM / PDM does not receive messages from the SODR , the side obstacle detection feature can be inoperative for the right side.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
DDM U0233:00	Lost Communication With Side Obstacle Detection Control Module 'B': No Sub Type Information	Sets when the PDM detects data messages are missing from the SODR .
PDM U0233:00	Lost Communication With Side Obstacle Detection Control Module 'B': No Sub Type Information	Sets when the DDM detects data messages are missing from the SODR .

Possible Sources

Network communication concern
DDM
PDM
SODR

Y1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to Y2

No	The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

Y2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, carry out a network test.

Does the SODR pass the network test?

Yes

GO to Y3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

Y3 CHECK FOR SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, carry out the SODR self-test.

Are any voltage related Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to: Blind Spot Information System (419-04 Side and Rear Vision, Diagnosis and Testing).

GO to Y4

Y4 RECHECK THE DDM (DRIVER DOOR MODULE) / PDM (PASSENGER DOOR MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

NOTE: If new modules were installed prior to the DTC being set, the module configuration may be incorrectly set during PMI or the PMI may not have been performed.

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the DDM / PDM self-test.

Is DTC U0233:00 still present?

Yes

GO to Y5

No	The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

Y5 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0233 SET IN OTHER MODULES

Using a diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs).

Ignition OFF.

Ignition ON.

Wait 30 seconds.

Using a diagnostic scan tool, retrieve the Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.

Is DTC U0233 set in other modules?

Yes

INSTALL a new SODR .
REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).

No	INSTALL a new DDM / PDM . REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation). REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

PINPOINT TEST Z: P1594 OR P1595

Normal Operation and Fault Conditions

When the BCM receives a request to remote start the vehicle, it first checks to make sure conditions exist to allow it to start (for example, the hood and doors closed, vehicle in PARK, no powertrain concerns). If the required conditions are correct, the BCM starts the vehicle and allows it to run for a predetermined amount of time, determined by the setting selected from the message center.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM P1594:00	Forced Engine Shutdown - Remote Start System Fault, No Unattended Vehicle Timeout: No Sub Type Information	Sets when the PCM detects the remote start has been active for more than 30 minutes continuously.
SOBDMC P1594:00	Forced Engine Shutdown - Remote Start System Fault, No Unattended Vehicle Timeout: No Sub Type Information	Sets when the SOBDMC detects the remote start has been active for more than 30 minutes continuously.
PCM P1595:00	Forced Engine Shutdown - Remote Start System Fault, Transmission Range Not In Park Position: No Sub Type Information	Sets when the PCM detects the remote start is active with the transmission not in PARK.
SOBDMC P1595:00	Forced Engine Shutdown - Remote Start System Fault, Transmission Range Not In Park Position: No Sub Type Information	Sets when the SOBDMC detects the remote start is active with the transmission not in PARK.

Possible Sources

Network communication concern
Powertrain concern
BCM

Z1 CHECK FOR OTHER PCM (POWERTRAIN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Ignition ON.

Using a diagnostic scan tool, carry out the PCM / SOBDMC self-test.

Are any PCM / SOBDMC Diagnostic Trouble Codes (DTCs) besides P1594:00 or P1595:00 present?

Yes

DIAGNOSE all other PCM / SOBDMC Diagnostic Trouble Codes (DTCs) first. REFER to the Master Diagnostic Trouble Code (DTC) Chart.

No	COMPLETE a module initialization REFER to: Anti-Theft Key Programming - Scan Tool (419-01C Passive Anti-Theft System (PATS) - Vehicles With: Keyless Vehicle System, General Procedures). If this does not clear the DTC . GO to Z2

Z2 CHECK FOR BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, carry out the BCM self-test.

Are any BCM Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to the Master Diagnostic Trouble Code (DTC) Chart.

No	GO to Pinpoint Test R

PINPOINT TEST AA: U0164:00

Normal Operation and Fault Conditions

The DDM / PDM communicates with the HVAC module over the CAN . If the DDM / PDM does not receive messages from the HVAC module, features such as the mirror defrost can be inoperative.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
DDM U0164:00	Lost Communication With HVAC Control Module: No Sub Type Information	Sets when the DDM detects data messages are missing from the HVAC module.
PDM U0164:00	Lost Communication With HVAC Control Module: No Sub Type Information	Sets when the PDM detects data messages are missing from the HVAC module.

Possible Sources

Network communication concern
DDM
PDM
HVAC module

AA1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to AA2

No	The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AA2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, carry out a network test.

Does the HVAC module pass the network test?

Yes

GO to AA3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

AA3 CHECK FOR BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, carry out the BCM self-test.

Are any voltage related Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to: Climate Control System - Vehicles With: Dual Automatic Temperature Control (DATC)/Electronic Automatic Temperature Control (EATC) (412-00 Climate Control System - General Information, Diagnosis and Testing).

GO to AA4

AA4 RECHECK THE DDM (DRIVER DOOR MODULE) OR PDM (PASSENGER DOOR MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

NOTE: If new modules were installed prior to the DTC being set, the module configuration may be incorrectly set during PMI or the PMI may not have been performed.

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the DDM / PDM self-test.

Is DTC U0164:00 still present?

Yes

GO to AA5

No	The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AA5 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0164 SET IN OTHER MODULES

Using a diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs).

Ignition OFF.

Ignition ON.

Wait 30 seconds.

Using a diagnostic scan tool, retrieve the Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.

Is DTC U0164 set in other modules?

Yes

INSTALL a new HVAC module.
REFER to: Heating, Ventilation and Air Conditioning (HVAC) Control Module (412-00 Climate Control System - General Information, Removal and Installation).

No	INSTALL a new DDM or PDM . REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation). REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

PINPOINT TEST AB: U0294:00

Normal Operation and Fault Conditions

The DDM / PDM communicates with the PCM over the CAN . If the DDM / PDM does not receive messages from the PCM , the window inhibit feature during a start/stop event can be inoperative.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
DDM U0294:00	Lost Communication With Powertrain Control Monitor Module: No Sub Type Information	Sets when the DDM detects data messages are missing from the PCM .
PDM U0294:00	Lost Communication With Powertrain Control Monitor Module: No Sub Type Information	Sets when the PDM detects data messages are missing from the PCM .

Possible Sources

Network communication concern
DDM
PDM
PCM

AB1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to AB2

No	The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AB2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, carry out a network test.

Does the PCM pass the network test?

Yes

GO to AB3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

AB3 CHECK FOR PCM (POWERTRAIN CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, carry out the BCM self-test.

Are any voltage related Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to the Master Diagnostic Trouble Code (DTC) Chart.

GO to AB4

AB4 RECHECK THE DDM (DRIVER DOOR MODULE) OR PDM (PASSENGER DOOR MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

NOTE: If new modules were installed prior to the DTC being set, the module configuration may be incorrectly set during PMI or the PMI may not have been performed.

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the DDM / PDM self-test.

Is DTC U0294:00 still present?

Yes

GO to AB5

No	The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AB5 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0294 SET IN OTHER MODULES

Using a diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs).

Ignition OFF.

Ignition ON.

Wait 30 seconds.

Using a diagnostic scan tool, retrieve the Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.

Is DTC U0294 set in other modules?

Yes

VIN required to access Guided Routine (PCM)

No	INSTALL a new DDM or PDM . REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation). REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

PINPOINT TEST AC: DTC (DIAGNOSTIC TROUBLE CODE) U2100:00

Normal Operation and Fault Conditions

The DDM / PDM is able to communicate with others modules after a PMI is complete.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
DDM U2100:00	Initial Configuration Not Complete: No Sub Type Information	Sets when the DDM configuration does not complete.
PDM U2100:00	Initial Configuration Not Complete: No Sub Type Information	Sets when the PDM configuration does not complete.

Possible Sources

Network communication concern
DDM
PDM

AC1 CHECK DDM (DRIVER DOOR MODULE) / PDM (PASSENGER DOOR MODULE) DIAGNOSTIC TROUBLE CODES (DTC'S)

Using a diagnostic scan tool, carry out the DDM / PDM PMI .

Are there any other Diagnostic Trouble Codes (DTC's) Present?

Yes

REPAIR all non-network Diagnostic Trouble Codes (DTCs) from the DDM / PDM .

No	This system is working correctly at this time. The problem may have been a loose connection.

PINPOINT TEST AD: THE MANUAL LIFTGATE DOES NOT LATCH

Refer to Wiring Diagrams Cell 117 for schematic and connector information. Refer to Wiring Diagrams Cell 96 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

Possible Sources

Liftgate latch

Visual Inspection and Pre-checks

Inspect the liftgate latch for damage.

AD1 DISCONNECT THE LIFTGATE LATCH. CHECK THE OPERATION OF THE LATCH.

Using a screwdriver manipulate the latch.

Does the latch fully latch after 2 clicks?

Yes

REFER to GO to Pinpoint Test M

No	INSTALL a new liftgate latch. REFER to: Liftgate Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

PINPOINT TEST AE: U3003:16

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
DDM U3003:16	Battery Voltage: Circuit Voltage Below Threshold	Set by the DDM when the supply voltage falls below 10 volts for at least 10 seconds during normal operation or for more than 250 milliseconds during the self-test
PDM U3003:16	Battery Voltage: Circuit Voltage Below Threshold	Set by the PDM when the supply voltage falls below 10 volts for at least 10 seconds during normal operation or for more than 250 milliseconds during the self-test

Possible Sources

Previous low battery voltage
Wiring, terminals, or connectors
DDM
PDM
Low vehicle battery state of charge

NOTE: Low vehicle battery state of charge will disable the passive entry feature from all the doors except the driver’s door.

AE1 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U3003:16

Ignition ON.

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) for the module in question.

Wait at least 15 seconds.

Using a diagnostic scan tool, repeat the self-test for the module in question.

Is DTC U3003:16 still present?

Yes

GO to AE2

No	The system is operating correctly at this time. The DTC may have been set due to a previous low battery voltage condition.

AE2 CHECK FOR CHARGING SYSTEM DIAGNOSTIC TROUBLE CODES (DTCS) IN THE PCM (POWERTRAIN CONTROL MODULE)

Using a diagnostic scan tool, perform the PCM self-test.

Are any voltage-related Diagnostic Trouble Codes (DTCs) set in the PCM ?

Yes

DIAGNOSE the charging system concern.
REFER to: Charging System - 1.5L EcoBoost (132kW/180PS) – I3 (Y1) (414-00 Charging System - General Information, Diagnosis and Testing).
REFER to: Charging System - 2.0L EcoBoost (177kW/240PS) – MI4 (414-00 Charging System - General Information, Diagnosis and Testing).

GO to AE3

AE3 CHECK THE BATTERY CONDITION AND STATE OF CHARGE

Check the battery condition and verify that the battery is fully charged.
REFER to: Battery (414-01 Battery, Mounting and Cables, Diagnosis and Testing).
See: Battery Condition Test.

Is the battery OK and fully charged?

Yes

GO to AE4

No	REFER to: Battery (414-01 Battery, Mounting and Cables, Diagnosis and Testing).

AE4 CHECK THE SUSPECT MODULE VOLTAGE SUPPLY

Ignition OFF.

Measure and record the voltage at the battery.

Disconnect the door module setting DTC U3003:16.

Ignition ON.

Measure the voltage between the module setting DTC U3003:16 and ground.

For the DDM / PDM , measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C501A-2, DDM Ground

Click to display connectors

Positive Lead Measurement / Action Negative Lead

C652A-2, PDM Ground

Is the voltage within 0.2 volts of the recorded battery voltage?

Yes

GO to AE5

No	REPAIR the circuit for high resistance.

AE5 CHECK THE SUSPECT MODULE GROUND CIRCUIT

Measure the voltage at the suspect module.

For the DDM / PDM , measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C501A-2, DDM C501A-14, DDM

Click to display connectors

Positive Lead Measurement / Action Negative Lead

C652A-2, PDM C652A-14, PDM

Is the DDM / PDM voltage greater than 11 volts?

Yes

GO to AE6

No	REPAIR the circuit in question.

AE6 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) / PDM (PASSENGER DOOR MODULE) OPERATION

Ignition OFF.

Disconnect and inspect the suspect door module connector.

Repair:
- Corrosion (clean module pins or install new connectors or terminals)
- Damaged or bent pins (install new terminals or pins)
- Pushed-out pins (install new pins as necessary)

Reconnect the suspect door module connector. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new DDM / PDM .
REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AF: U3003:17

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
DDM U3003:17	Battery Voltage: Circuit Voltage Above Threshold	Set by the DDM when the supply voltage is more than 15.8 volts for more than 250 milliseconds during normal operation or the self-test.
PDM U3003:17	Battery Voltage: Circuit Voltage Above Threshold	Set by the PDM when the supply voltage is more than 15.8 volts for more than 250 milliseconds during normal operation or the self-test.

Possible Sources

Previous high battery voltage
Wiring, terminals, or connectors
DDM
PDM

AF1 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U3003:17

Ignition ON.

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) for the door module in question.

Wait at least 10 seconds.

Using a diagnostic scan tool, perform the self-test for the door module in question.

Is DTC U3003:17 present?

Yes

GO to AF2

No	The system is operating correctly at this time. The DTC may have been set previously during battery charging or while jump starting the vehicle.

AF2 CHECK FOR HIGH VOLTAGE DIAGNOSTIC TROUBLE CODES (DTCS) SET IN MULTIPLE MODULES

Using a diagnostic scan tool, retrieve all Continuous Memory Diagnostic Trouble Codes (CMDTCs).

Are high voltage Diagnostic Trouble Codes (DTCs) such as B1676, P0563, or U3003:17 set in more than one module?

Yes

REFER to: Charging System - 1.5L EcoBoost (132kW/180PS) – I3 (Y1) (414-00 Charging System - General Information, Diagnosis and Testing).
REFER to: Charging System - 2.0L EcoBoost (177kW/240PS) – MI4 (414-00 Charging System - General Information, Diagnosis and Testing).

GO to AF3

AF3 CHECK THE BATTERY VOLTAGE

Turn off all interior lights, exterior lights, and accessories.

Start and run the engine at approximately 2,000 RPM for 3 minutes while monitoring the battery voltage.

Does the battery voltage rise to 15.5 volts or higher?

Yes

REFER to: Battery (414-01 Battery, Mounting and Cables, Diagnosis and Testing).
See: Symptom Chart, System voltage high.

GO to AF4

AF4 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) / PDM (PASSENGER DOOR MODULE) OPERATION

Ignition OFF.

Disconnect and inspect the door module connector in question.

Repair:
- Corrosion (clean module pins or install new connectors or terminals)
- Damaged or bent pins (install new terminals or pins)
- Pushed-out pins (install new pins as necessary)

Reconnect the door module connector. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new DDM / PDM .
REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AG: DTC (DIAGNOSTIC TROUBLE CODE) U2200:00, U3000:49

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
DDM U2200:00	Control Module Configuration Memory Corrupt: No Sub Type Information	Set by the DDM / PDM when the module detects an unrecoverable data failure
DDM U3000:49	Control Module: Internal Electronic Failure	Set by the DDM / PDM when the module fails the internal microprocessor test
PDM U2200:00	Control Module Configuration Memory Corrupt: No Sub Type Information	Set by the PDM when the module detects an unrecoverable data failure
PDM U3000:49	Control Module: Internal Electronic Failure	Set by the PDM when the module fails the internal microprocessor test

Possible Sources

DDM / PDM .

AG1 CHECK DDM (DRIVER DOOR MODULE) / PDM (PASSENGER DOOR MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, clear all DDM / PDM DTC 's

Using a diagnostic scan tool, carry out the DDM / PDM self-test.

Is diagnostic code U2200:00 or U3000:49 present?

Yes

CHECK OASIS for any applicable service articles: TSB , GSB , SSM , or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a DDM / PDM .
REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).
REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	The system is operating correctly at this time.

PINPOINT TEST AH: THE FUEL FILLER DOOR RELEASE IS INOPERATIVE (HYBRID VEHICLES)

Refer to Wiring Diagrams Cell 085 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM P04C2:00	Fuel Fill Door Unlock Control Circuit High: No Sub Type Information	Sets when the PCM detects a short to voltage or an open from the fuel filler door release relay control circuit.
PCM P04C9:00	Fuel Fill Door Open Request Sensor/Switch Performance/Stuck Off: No Sub Type Information	Sets when the PCM receives no request to open the fuel filler door and the vehicle experienced a refueling event.
PCM P04CA:00	Fuel Fill Door Open Request Sensor/Switch Circuit Low: No Sub Type Information	Sets when the PCM detects a request to open the fuel filler door during the self-test.
PCM P04CB:00	Fuel Fill Door Open Request Sensor/Switch Circuit High: No Sub Type Information	Sets when the PCM detects an open from the fuel filler door input.
PCM P04CD:00	Fuel Fill Door Open Request Sensor/Switch Stuck On: No Sub Type Information	Sets when the PCM detects a constant request from the fuel filler door release switch (short to ground from the fuel filler door release switch input circuit).

Possible Sources

Wiring, terminals or connectors
Fuel filler door lock
Fuel filler door latch
PCM

Visual Inspection and Pre-checks

Inspect the fuel filler door latch for damage.

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

AH1 CHECK FOR A MECHANICAL FAILURE

Ignition OFF.

Use the manual fuel filler door release cable to release the fuel filler door latch.

Does the fuel filler door latch release?

Yes

CLOSE the fuel filler door. GO to AH2

No	INSTALL a new fuel filler door housing. REFER to: Fuel Filler Door Assembly (501-03 Body Closures, Removal and Installation).

AH2 CHECK THE PCM (POWERTRAIN CONTROL MODULE) THE CUSTOMER IS REQUESTING OR HAS RECENTLY REQUESTED TO OPEN OR UNLOCK THE FUEL FILL DOOR (FUELDR_REQ) PID (PARAMETER IDENTIFICATION)

Ignition ON.

Access the PCM and monitor the FUELDR_REQ PID

Monitor the PCM FUELDR_REQ PID while pressing and releasing the fuel filler door release button.

Does the PID correspond with the fuel filler door release button press?

Yes

GO to AH7

GO to AH3

AH3 CHECK THE FUEL FILLER RELEASE SWITCH GROUND CIRCUIT FOR AN OPEN

Disconnect C205 .

Connect:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C205-1 Ground

NOTE: It may take up to 30 seconds for the fuel filler door to release after the jumper wire is removed. Remove the fused jumper wire.

Does the fuel filler door latch release?

Yes

REPAIR the circuit.

GO to AH4

AH4 CHECK THE FUEL FILLER RELEASE SWITCH INPUT CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect PCM C1381B .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C205-4 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to AH5

No	REPAIR the circuit.

AH5 CHECK THE FUEL FILLER RELEASE SWITCH RETURN CIRCUIT FOR A SHORT TO VOLTAGE

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C205-2 Ground

Is any voltage present?

Yes

REPAIR the circuit.

GO to AH6

AH6 CHECK THE FUEL FILLER RELEASE SWITCH INPUT AND RETURN CIRCUITS FOR AN OPEN

Ignition OFF.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C205-4 C1381B-6

C205-2 C1381B-10

Are the resistances less than 3 ohms?

Yes

GO to AH7

No	REPAIR the circuit in question.

AH7 CHECK FOR CORRECT PCM (POWERTRAIN CONTROL MODULE) OPERATION

Disconnect and inspect all the PCM connectors.

Repair:
- corrosion (install new connectors or terminals - clean module pins)
- damaged or bent pins - install new terminals pins
- pushed-out pins - install new pins as necessary

Reconnect the PCM connectors and make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB , GSB , SSM or FSA . If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern,

VIN required to access Guided Routine (PCM)

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AI: P04B5, P04BA

Refer to Wiring Diagrams Cell 023 for schematic and connector information.

Normal Operation and Fault Conditions

The PCM monitors the fuel filler door ajar switch and sets a DTC if it detects a failure of the fuel filler door ajar input based on conditions after a refueling event.

If the fuel filler door is not fully closed after a refueling event, or the fuel filler door is open from erroneously pressing the fuel door release button, a message displays during the third drive cycle to indicate the fuel filler door is not closed and a DTC sets.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM P04B5:00	Fuel Fill Door Stuck Open: No Sub Type Information	Sets when the PCM detects the fuel filler door is open, the vehicle has been running for at least 5 minutes and the vehicle speed is greater than 11 km/h (7 mph) (for example, the fuel filler door was not closed after a refueling event).
PCM P04BA:00	Fuel Fill Door Position Sensor/Switch Circuit High: No Sub Type Information	Sets when the PCM detects the fuel filler door did not open when the PCM activated the fuel filler door release relay. An open circuit to the fuel filler door ajar switch can cause this DTC to set.

Possible Sources

Wiring, terminals or connectors
Fuel filler door ajar switch (part of the fuel filler door housing)
PCM

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

AI1 CHECK FOR MECHANICAL DAMAGE

Ignition OFF.

Inspect fuel filler door for damage near the ajar switch.

Is any damage present?

Yes

REPAIR or INSTALL a new fuel filler door housing as necessary.

GO to AI2

AI2 CHECK THE PCM (POWERTRAIN CONTROL MODULE) THE CUSTOMER IS REQUESTING OR HAS RECENTLY REQUESTED TO OPEN OR UNLOCK THE FUEL FILL DOOR (FUELDR_REQ) PID (PARAMETER IDENTIFICATION)

Ignition ON.

Access the PCM and monitor the FUELDR_REQ PID

Monitor the PCM FUELDR_REQ PID while pressing and releasing the fuel filler door release button.

Does the PID momentarily indicate Yes?

Yes

GO to AI3

No	GO to Pinpoint Test AH

AI3 CHECK THE FUEL FILLER DOOR RELEASE USING THE PCM (POWERTRAIN CONTROL MODULE) FUEL FILL DOOR UNLOCK CONTROL OUTPUT IS COMMANDED TO ENABLE STATE (FUELDR_UNLOCK) PID (PARAMETER IDENTIFICATION)

Verify the fuel filler door is fully closed.

Access the PCM and control the FUELDR_UNLOCK PID

Command the PCM FUELDR_UNLOCK PID On.

Does the fuel filler door latch release?

Yes

GO to AI4

No	GO to Pinpoint Test AH

AI4 CHECK THE PCM (POWERTRAIN CONTROL MODULE) THE FUEL FILL DOOR POSITION SENSOR/SWITCH CIRCUIT INPUT (FUELDR_POS_SW) PID (PARAMETER IDENTIFICATION)

Close the fuel filler door.

Access the PCM and monitor the FUELDR_POS_SW PID

Monitor the PCM FUELDR_POS_SW PID .

Access the PCM and control the FUELDR_UNLOCK PID

Command the PCM FUELDR_UNLOCK PID On.

Verify the fuel filler door latch released.

Does the PID indicate Closed with the fuel filler door closed and Open after the fuel filler door latch is released?

Yes

The system is operating correctly. REFER to Normal Operation and Fault Conditions at the beginning of this Pinpoint Test.

GO to AI5

AI5 CHECK THE FUEL FILLER DOOR AJAR CIRCUITS FOR A SHORT TO VOLTAGE

NOTE: The fuel filler door electrical connectors can be accessed through an opening in the left side sheet metal inside luggage compartment area.

Ignition OFF.

Disconnect Fuel Filler Door Release Solenoid C409 .

Disconnect PCM C1381B .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C409-2 Ground

C409-3 Ground

Is any voltage present?

Yes

REPAIR the circuit in question.

GO to AI6

AI6 CHECK THE FUEL FILLER DOOR AJAR CIRCUITS FOR A SHORT TO GROUND

Ignition OFF.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C409-2 Ground

C409-3 Ground

Are the resistances greater than 10,000 ohms?

Yes

GO to AI7

No	REPAIR the circuit in question.

AI7 CHECK THE FUEL FILLER DOOR AJAR CIRCUITS FOR AN OPEN

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C409-2 C1381B-18

C409-3 C1381B-37

Are the resistances less than 3 ohms?

Yes

INSTALL a new fuel filler door housing. CLEAR the Diagnostic Trouble Codes (DTCs) and repeat the self-test. If the concern is still present, GO to AI8

No	REPAIR the circuit in question.

AI8 CHECK FOR CORRECT PCM (POWERTRAIN CONTROL MODULE) OPERATION

Disconnect and inspect all the PCM connectors.

Repair:
- corrosion (install new connectors or terminals - clean module pins)
- damaged or bent pins - install new terminals pins
- pushed-out pins - install new pins as necessary

Reconnect the PCM connectors and make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

VIN required to access Guided Routine (PCM)

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AJ: U0422:00

Normal Operation and Fault Conditions

The DDM / PDM communicates with the BCM over the CAN . If the DDM / PDM does not receive messages from the BCM , the window inhibit feature during a start/stop event can be inoperative.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
DDM U0422:00	Invalid Data Received From Body Control Module: No Sub Type Information	Sets when the DDM detects data messages are missing from the BCM .
PDM U0422:00	Invalid Data Received From Body Control Module: No Sub Type Information	Sets when the PDM detects data messages are missing from the BCM .

Possible Sources

Network communication concern
DDM
PDM
BCM

AJ1 VERIFY THE CUSTOMER CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to AJ2

No	The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AJ2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, carry out a network test.

Does the BCM pass the network test?

Yes

GO to AJ3

No	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

AJ3 CHECK FOR BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, carry out the BCM self-test.

Are any voltage related Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to the Master Diagnostic Trouble Code (DTC) Chart.

GO to AJ4

AJ4 RECHECK THE DDM (DRIVER DOOR MODULE) OR PDM (PASSENGER DOOR MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

NOTE: If new modules were installed prior to the DTC being set, the module configuration may be incorrectly set during PMI or the PMI may not have been performed.

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the DDM / PDM self-test.

Is DTC U0442:00 still present?

Yes

GO to AJ5

No	The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AJ5 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0442:00 SET IN OTHER MODULES

Using a diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs).

Ignition OFF.

Ignition ON.

Wait 30 seconds.

Using a diagnostic scan tool, retrieve the Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.

Is DTC U0442:00 set in other modules?

Yes

INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No	INSTALL a new DDM or PDM . REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation). REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

PINPOINT TEST AK: THE DOOR LOCKS OPERATE ONLY ONE WAY (WITH ONE-TOUCH OPEN DRIVER WINDOW)

Refer to Wiring Diagrams Cell 110 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Component Location (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B126A:01	Drivers Door Interior Lock Switch: General Electrical Failure	Sets during an on-demand self-test if the BCM is receiving a lock or unlock request.

Possible Sources

Wiring, terminals or connectors
Door lock control switch

AK1 BCM (BODY CONTROL MODULE) SELF TEST

Ignition ON.

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).

Using a diagnostic scan tool, carry out the BCM self-test.

Is DTC B126A:01 present?

Yes

GO to AK2

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

AK2 CHECK THE LOCK SWITCH GROUND CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect the suspect door lock control switch.

For the driver door lock control switch, measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C541-3, Ground

For the passenger door lock control switch, measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C641-3 Ground

Is the resistance less than 3 ohms?

Yes

For the concern with the door lock feature, GO to AK3
For the concern with the door unlock feature, GO to AK5

No	REPAIR the circuit.

AK3 CHECK THE LOCK REQUEST INPUT CIRCUIT

For the driver door lock control switch, momentarily connect a fused jumper wire:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C541-2, C541-3

For the passenger door lock control switch, momentarily connect a fused jumper wire:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C641-4 C641-3

Remove the fused jumper wire.

Do the doors lock?

Yes

INSTALL a new door lock control switch.
REFER to: Front Door Lock Control Switch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

GO to AK4

AK4 CHECK THE LOCK REQUEST INPUT CIRCUIT FOR AN OPEN

Disconnect BCM C2280F .

For the driver door lock control switch, measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C541-2, C2280F-25

For the passenger door lock control switch, measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C641-4 C2280F-25

Is the resistance less than 3 ohms?

Yes

GO to AK7

No	REPAIR the circuit.

AK5 CHECK THE UNLOCK REQUEST INPUT CIRCUIT

For the driver door lock control switch, momentarily connect a fused jumper wire:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C541-4, C541-3

For the passenger door lock control switch, momentarily connect a fused jumper wire:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C641-2 C641-3

Remove the fused jumper wire.

Do the doors unlock?

Yes

INSTALL a new door lock control switch.
REFER to: Front Door Lock Control Switch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

GO to AK6

AK6 CHECK THE UNLOCK REQUEST INPUT CIRCUIT FOR AN OPEN

Disconnect BCM C2280F .

For the driver door lock control switch, measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C541-4, C2280F-20

For the passenger door lock control switch, measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C641-2 C2280F-20

Is the resistance less than 3 ohms?

Yes

GO to AK7

No	REPAIR the circuit.

AK7 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all the BCM connector C2280F.

Repair:
- corrosion (install new connectors or terminals - clean module pins)
- damaged or bent pins - install new terminals pins
- pushed-out pins - install new pins as necessary

Reconnect the BCM connectors and make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AL: THE KEYLESS ENTRY KEYPAD ILLUMINATION IS INOPERATIVE

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B121A:11	Keypad Illumination Output: Circuit Short To Ground	Sets when the BCM detects a short to ground from the keyless entry keypad illumination output circuit.
BCM B121A:15	Keypad Illumination Output: Circuit Short To Battery Or Open	Sets when the BCM detects an open from the keyless entry keypad illumination output circuit.

Possible Sources

Wiring, terminals or connectors
Keyless entry keypad (integrated into the front door upper moulding)
BCM

AL1 CHECK THE KEYLESS ENTRY KEYPAD OPERATION

Press the 7/8 and 9/0 buttons simultaneously on the keyless entry keypad.

Do the doors lock using the keyless entry keypad?

Yes

GO to AL2

No	GO to Pinpoint Test N

AL2 CHECK FOR BCM (BODY CONTROL MODULE) DTC (DIAGNOSTIC TROUBLE CODE) B121A:11

Ignition ON.

Using a diagnostic scan tool, carry out the BCM self-test.

Is DTC B121A:11 present?

Yes

GO to AL3

GO to AL5

AL3 CHECK THE KEYLESS ENTRY KEYPAD FOR A SHORT TO GROUND

Ignition OFF.

Disconnect Keyless Entry Keypad C500 .

Ignition ON.

Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).

Using a diagnostic scan tool, carry out the BCM self-test.

Is DTC B121A:11 still present?

Yes

GO to AL4

No	INSTALL a new front door upper moulding. REFER to: Front Door Upper Moulding (501-08 Exterior Trim and Ornamentation, Removal and Installation).

AL4 CHECK THE KEYLESS ENTRY KEYPAD ILLUMINATION OUTPUT CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect BCM C2280F .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C500-2 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to AL7

No	REPAIR the circuit.

AL5 CHECK THE BCM (BODY CONTROL MODULE) OUTPUT USING THE KEYPAD LAMP OUTPUT STATUS (KEY_PAD_LMP) PID (PARAMETER IDENTIFICATION)

Ignition OFF.

Disconnect Keyless Entry Keypad C500 .

Ignition ON.

Access the BCM and control the KEY_PAD_LMP PID

Command the PID on.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C500-2 Ground

Is the voltage greater than 11 volts?

Yes

INSTALL a new front door upper moulding.
REFER to: Front Door Upper Moulding (501-08 Exterior Trim and Ornamentation, Removal and Installation).

GO to AL6

AL6 CHECK THE BCM (BODY CONTROL MODULE) KEYLESS ENTRY KEYPAD ILLUMINATION OUTPUT CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect BCM C2280F .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C500-2 C2280F-15

Is the resistance less than 3 ohms?

Yes

GO to AL7

No	REPAIR the circuit.

AL7 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all the BCM connectors.

Repair:
- Corrosion (clean module pins or install new connectors or terminals)
- Damaged or bent pins (install new terminals or pins)
- Pushed-out pins (install new pins as necessary)

Reconnect the BCM connectors and make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AM: THE KEYLESS ENTRY KEYPAD ILLUMINATION IS ALWAYS ON

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B121A:15	Keypad Illumination Output: Circuit Short To Battery Or Open	Sets when the BCM detects an open from the keyless entry keypad illumination output circuit.

Possible Sources

Wiring, terminals or connectors
Keyless entry keypad (integrated into the front door upper moulding)
BCM

Visual Inspection and Pre-checks

Inspect the front door window moulding for damage.

AM1 CHECK THE KEYLESS ENTRY KEYPAD ILLUMINATION

NOTE: It is normal operation for the keyless entry keypad to illuminate when the illuminated entry/exit feature is active. Make sure all the doors are closed and the feature times out.

Ignition ON.

Wait 45 seconds and observe the keyless entry keypad illumination.

Is the keyless entry keypad illumination always on?

Yes

GO to AM2

No	The system is operating correctly. INFORM the vehicle owner of the normal keyless entry keypad illumination operation.

AM2 ISOLATE THE BCM (BODY CONTROL MODULE)

Ignition OFF.

Disconnect BCM C2280F .

Ignition ON.

Does the keypad continue illuminate?

Yes

GO to AM3

GO to AM4

AM3 CHECK THE BCM (BODY CONTROL MODULE) KEYPAD ILLUMINATION OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect Keyless Entry Keypad C500 .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C500-2 Ground

Is any voltage present?

Yes

REPAIR the circuit.

No	INSTALL a new front door upper moulding. REFER to: Front Door Upper Moulding (501-08 Exterior Trim and Ornamentation, Removal and Installation).

AM4 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all the BCM connectors.

Repair:
- Corrosion (clean module pins or install new connectors or terminals)
- Damaged or bent pins (install new terminals or pins)
- Pushed-out pins (install new pins as necessary)

Reconnect the BCM connectors and make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST AN: THE FUEL FILLER DOOR DOES NOT LATCH (HYBRID VEHICLES)

Refer to Wiring Diagrams Cell 23 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description (501-14 Handles, Locks, Latches and Entry Systems, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM P04C1:00	Fuel Fill Door Unlock Control Circuit Low: No Sub Type Information	Sets when the PCM detects a short to ground from the fuel filler door release control circuit.

Possible Sources

Wiring, terminals or connectors
Fuel filler door latch
PCM

Visual Inspection and Pre-checks

Inspect the fuel filler door latch for damage.

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

AN1 CHECK FOR A MECHANICAL FAILURE

Ignition OFF.

Inspect the fuel filler door manual release cable and the fuel filler door latch.

Is the manual fuel filler door release cable binding or is there any damage noted with the fuel filler door latch?

Yes

INSTALL a new fuel filler door housing.
REFER to: Fuel Filler Door Assembly (501-03 Body Closures, Removal and Installation).

GO to AN2

AN2 CHECK THE FUEL FILLER DOOR RELEASE CONTROL

Disconnect PCM C1381B .

Press the fuel filler door closed.

Does the fuel filler door latch?

Yes

GO to AN3

No	INSTALL a new fuel filler door housing. REFER to: Fuel Filler Door Assembly (501-03 Body Closures, Removal and Installation).

AN3 CHECK THE PCM (POWERTRAIN CONTROL MODULE) FUEL FILLER DOOR RELEASE CONTROL CIRCUIT FOR A SHORT TO GROUND

Disconnect Fuel Filler Door Latch C409 .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C409-4 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to AN4

No	REPAIR the circuit.

AN4 CHECK FOR CORRECT PCM (POWERTRAIN CONTROL MODULE) OPERATION

Disconnect and inspect all the PCM connectors.

Repair:
- corrosion (install new connectors or terminals - clean module pins)
- damaged or bent pins - install new terminals pins
- pushed-out pins - install new pins as necessary

Reconnect the PCM connectors and make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

VIN required to access Guided Routine (PCM)

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

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