Ford Escape 2020-2024 Service Manual / Electrical / Electronic Feature Group / Side and Rear Vision / Diagnosis and Testing - Blind Spot Information System

Ford Escape: Side and Rear Vision / Diagnosis and Testing - Blind Spot Information System

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
DDM	B118C:11	Left Blind Spot Warning Indicator: Circuit Short To Ground	GO to Pinpoint Test F
DDM	B118C:15	Left Blind Spot Warning Indicator: Circuit Short To Battery Or Open	GO to Pinpoint Test D
DDM	B118C:15	Left Blind Spot Warning Indicator: Circuit Short To Battery Or Open	GO to Pinpoint Test F
PDM	B118D:11	Right Blind Spot Warning Indicator: Circuit Short To Ground	GO to Pinpoint Test F
PDM	B118D:15	Right Blind Spot Warning Indicator: Circuit Short To Battery Or Open	GO to Pinpoint Test D
PDM	B118D:15	Right Blind Spot Warning Indicator: Circuit Short To Battery Or Open	GO to Pinpoint Test F
SODL	B11D6:11	Driver Display Alert LED: Circuit Short To Ground	GO to Pinpoint Test E
SODL	B11D6:15	Driver Display Alert LED: Circuit Short To Battery Or Open	GO to Pinpoint Test C
SODL	B11D6:15	Driver Display Alert LED: Circuit Short To Battery Or Open	GO to Pinpoint Test E
SODL	U0100:00	Lost Communication With ECM/PCM 'A': No Sub Type Information	GO to Pinpoint Test I
SODL	U0101:00	Lost Communication with TCM: No Sub Type Information	GO to Pinpoint Test I
SODL	U0121:00	Lost Communication With Anti-Lock Brake System (ABS) Control Module 'A': No Sub Type Information	GO to Pinpoint Test I
SODL	U0140:00	Lost Communication With Body Control Module: No Sub Type Information	GO to Pinpoint Test I
SODL	U0146:00	Lost Communication With Serial Data Gateway 'A': No Sub Type Information	GO to Pinpoint Test I
SODL	U0151:00	Lost Communication With Restraints Control Module: No Sub Type Information	GO to Pinpoint Test I
SODL	U0155:00	Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information	GO to Pinpoint Test I
SODL	U0199:00	Lost Communication With 'Door Control Module A': No Sub Type Information	GO to Pinpoint Test I
SODL	U0232:00	Lost Communication With Side Obstacle Detection Control Module 'A': No Sub Type Information	GO to Pinpoint Test I
SODL	U0232:87	Lost Communication With Side Obstacle Detection Control Module 'A': Missing Message	GO to Pinpoint Test J
SODL	U0401:86	Invalid Data Received from ECM/PCM A: Signal Invalid	GO to Pinpoint Test K
SODL	U0402:86	Invalid Data Received from TCM: Signal Invalid	GO to Pinpoint Test K
SODL	U0415:86	Invalid Data Received from Anti-Lock Brake System (ABS) Control Module 'A': Signal Invalid	GO to Pinpoint Test K
SODL	U049A:86	Invalid Data Received From 'Door Control Module A': Signal Invalid	GO to Pinpoint Test K
SODL	U0533:62	Invalid Data Received From Side Obstacle Detection Control Module 'A': Signal Compare Failure	GO to Pinpoint Test L
SODL	U2100:00	Initial Configuration Not Complete: No Sub Type Information	GO to Pinpoint Test M
SODL	U2101:00	Control Module Configuration Incompatible: No Sub Type Information	GO to Pinpoint Test M
SODL	U2300:55	Central Configuration: Not Configured	GO to Pinpoint Test M
SODL	U3000:44	Control Module: Data Memory Failure	GO to Pinpoint Test N
SODL	U3000:45	Control Module: Program Memory Failure	GO to Pinpoint Test N
SODL	U3000:46	Control Module: Calibration/Parameter Memory Failure	GO to Pinpoint Test N
SODL	U3000:49	Control Module: Internal Electronic Failure	GO to Pinpoint Test N
SODL	U3002:62	Vehicle Identification Number: Signal Compare Failure	GO to Pinpoint Test M
SODR	B11D6:11	Driver Display Alert LED: Circuit Short To Ground	GO to Pinpoint Test E
SODR	B11D6:15	Driver Display Alert LED: Circuit Short To Battery Or Open	GO to Pinpoint Test C
SODR	B11D6:15	Driver Display Alert LED: Circuit Short To Battery Or Open	GO to Pinpoint Test E
SODR	U0100:00	Lost Communication With ECM/PCM 'A': No Sub Type Information	GO to Pinpoint Test I
SODR	U0101:00	Lost Communication with TCM: No Sub Type Information	GO to Pinpoint Test I
SODR	U0121:00	Lost Communication With Anti-Lock Brake System (ABS) Control Module 'A': No Sub Type Information	GO to Pinpoint Test I
SODR	U0140:00	Lost Communication With Body Control Module: No Sub Type Information	GO to Pinpoint Test I
SODR	U0146:00	Lost Communication With Serial Data Gateway 'A': No Sub Type Information	GO to Pinpoint Test I
SODR	U0151:00	Lost Communication With Restraints Control Module: No Sub Type Information	GO to Pinpoint Test I
SODR	U0155:00	Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information	GO to Pinpoint Test I
SODR	U0200:00	Lost Communication With 'Door Control Module B': No Sub Type Information	GO to Pinpoint Test I
SODR	U0233:00	Lost Communication With Side Obstacle Detection Control Module 'B': No Sub Type Information	GO to Pinpoint Test I
SODR	U0233:87	Lost Communication With Side Obstacle Detection Control Module 'B': Missing Message	GO to Pinpoint Test J
SODR	U0401:86	Invalid Data Received from ECM/PCM A: Signal Invalid	GO to Pinpoint Test K
SODR	U0402:86	Invalid Data Received from TCM: Signal Invalid	GO to Pinpoint Test K
SODR	U0415:86	Invalid Data Received from Anti-Lock Brake System (ABS) Control Module 'A': Signal Invalid	GO to Pinpoint Test K
SODR	U0501:86	Invalid Data Received From 'Door Control Module B': Signal Invalid	GO to Pinpoint Test K
SODR	U0534:62	Invalid Data Received From Side Obstacle Detection Control Module 'B': Signal Compare Failure	GO to Pinpoint Test L
SODR	U2100:00	Initial Configuration Not Complete: No Sub Type Information	GO to Pinpoint Test M
SODR	U2101:00	Control Module Configuration Incompatible: No Sub Type Information	GO to Pinpoint Test M
SODR	U2300:55	Central Configuration: Not Configured	GO to Pinpoint Test M
SODR	U3000:44	Control Module: Data Memory Failure	GO to Pinpoint Test N
SODR	U3000:45	Control Module: Program Memory Failure	GO to Pinpoint Test N
SODR	U3000:46	Control Module: Calibration/Parameter Memory Failure	GO to Pinpoint Test N
SODR	U3000:49	Control Module: Internal Electronic Failure	GO to Pinpoint Test N
SODR	U3002:62	Vehicle Identification Number: Signal Compare Failure	GO to Pinpoint Test M

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
Driver Aid & Information > Blind Spot (BLIS)/Cross Traffic > Controls > Inoperative	GO to Pinpoint Test A
Driver Aid & Information > Blind Spot (BLIS)/Cross Traffic > Controls > Inoperative	GO to Pinpoint Test B
Driver Aid & Information > Blind Spot (BLIS)/Cross Traffic > Controls > Inoperative	GO to Pinpoint Test H
Driver Aid & Information > Blind Spot (BLIS)/Cross Traffic > Performance > Inoperative	GO to Pinpoint Test A
Driver Aid & Information > Blind Spot (BLIS)/Cross Traffic > Performance > Inoperative	GO to Pinpoint Test B
Driver Aid & Information > Park Assist > Controls > Inoperative	GO to Pinpoint Test O
Driver Aid & Information > Park Assist > Performance > Inoperative	GO to Pinpoint Test O
Driver Aid & Information > Reverse Sensing > Controls > Inoperative	GO to Pinpoint Test O
Driver Aid & Information > Reverse Sensing > Performance > Inoperative	GO to Pinpoint Test G
Driver Aid & Information > Reverse Sensing > Performance > Inoperative	GO to Pinpoint Test O
Lighting/Glass/Vision > Mirror > Side > Appearance	GO to Pinpoint Test C
Lighting/Glass/Vision > Mirror > Side > Appearance	GO to Pinpoint Test D
Lighting/Glass/Vision > Mirror > Side > Appearance	GO to Pinpoint Test E
Lighting/Glass/Vision > Mirror > Side > Appearance	GO to Pinpoint Test F
Lighting/Glass/Vision > Mirror > Side > Inoperative	GO to Pinpoint Test C
Lighting/Glass/Vision > Mirror > Side > Inoperative	GO to Pinpoint Test D
Lighting/Glass/Vision > Mirror > Side > Inoperative	GO to Pinpoint Test E
Lighting/Glass/Vision > Mirror > Side > Inoperative	GO to Pinpoint Test F
Safe & Secure > Trailer Tow > Brake Control > Inoperative	GO to Pinpoint Test O

Symptom Chart(s)

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 Chart - BLIS ®

Condition	Action
A module does not respond to the diagnostic scan tool	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).
The BLIS ® is inoperative or does not function correctly	GO to Pinpoint Test A
The BLIS ® has poor or inconsistent performance	GO to Pinpoint Test A
The BLIS ® message center warnings are not displayed and the exterior mirror BLIS ®/ CTA LED does not illuminate	GO to Pinpoint Test A
An exterior mirror BLIS ®/ CTA LED is always on	GO to Pinpoint Test D
An exterior mirror BLIS ®/ CTA LED does not illuminate	GO to Pinpoint Test F
The IPC message center displays a blocked sensor message	GO to Pinpoint Test G
The BLIS ® cannot be turned off in the information and entertainment display unit	GO to Pinpoint Test H

Symptom Chart - CTA

Condition	Action
A module does not respond to the diagnostic scan tool	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).
The CTA system is inoperative or does not function correctly	GO to Pinpoint Test B
The CTA system has poor or inconsistent performance	GO to Pinpoint Test B
The CTA system message center warnings are not displayed and the exterior mirror BLIS ®/ CTA LED does not illuminate	GO to Pinpoint Test B
An exterior mirror BLIS ®/ CTA LED does not illuminate when the audio tone sounds for the CTA system	GO to Pinpoint Test B
An exterior mirror BLIS ®/ CTA LED is always on	GO to Pinpoint Test D
An exterior mirror BLIS ®/ CTA LED does not illuminate	GO to Pinpoint Test F
The IPC message center displays a blocked sensor message	GO to Pinpoint Test G
The CTA system cannot be turned off in the information and entertainment display unit	GO to Pinpoint Test H

Symptom Chart - Reverse Brake Assist

Condition	Action
The reverse brake assist is inoperative or does not operate correctly	GO to Pinpoint Test O

Pinpoint Tests

PINPOINT TEST A: THE BLIS (BLIND SPOT INFORMATION SYSTEM) ® IS INOPERATIVE OR DOES NOT FUNCTION CORRECTLY

Refer to Wiring Diagrams Cell 146 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Blind Spot Information System - System Operation and Component Description (419-04 Side and Rear Vision, Description and Operation).

Possible Sources

Communication network concern
Obstruction or damage to the rear bumper cover sides
Configuration concern
SODL
SODR
IPC concern
PCM concern
GWM concern
TRM concern (if equipped)
DDM concern (for vehicles with door modules only)
PDM concern (for vehicles with door modules only)

Visual Inspection and Pre-checks

Check for obstructions or damage to the rear bumper cover sides.

A1 VERIFY THE LH (LEFT-HAND) AND RH (RIGHT-HAND) EXTERIOR MIRROR BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) OPERATION

Ignition OFF.

Observe the LH and RH exterior mirror BLIS ®/ CTA Light Emitting Diodes (LEDs).

Start the engine.

Do the LH and RH exterior mirror BLIS ®/ CTA Light Emitting Diodes (LEDs) illuminate and turn off after approximately 3 seconds?

Yes

GO to A2

• If either LED is inoperative for vehicles without door modules, GO to Pinpoint Test E
• If either LED is inoperative for vehicles with door modules, GO to Pinpoint Test F
• If either LED is always on for vehicles without door modules, GO to Pinpoint Test C
• If either LED is always on vehicles with door modules, GO to Pinpoint Test D
• If both Light Emitting Diodes (LEDs) are inoperative, GO to A5

A2 VERIFY THE BLIS (BLIND SPOT INFORMATION SYSTEM) ® OPERATION

Verify the operation of the BLIS ®.

Does the BLIS ® operate correctly?

Yes

The concern may have been caused by an intermittent condition such as poor weather conditions or the customer's perception of proper BLIS ® operation. REVIEW the normal system operation with the customer. REFER to the Owner's Literature.

GO to A3

A3 CHECK FOR SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) OBSTRUCTIONS

Ignition OFF.

Inspect the rear side bumper cover for a build up of mud, bumper stickers or any obstruction.

Are any obstructions present?

Yes

CLEAN and REMOVE all obstructions from the rear bumper cover sides.

GO to A4

A4 INSPECT THE REAR BUMPER COVER, SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) FOR DAMAGE

Inspect the rear side bumper cover and the SODL and SODR mounting brackets for damage.

Is any damage present?

Yes

REPAIR or INSTALL new parts as necessary. REFER to: Rear Bumper Cover (501-19 Bumpers, Removal and Installation).
REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).

GO to A5

A5 VERIFY THE SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) PASS THE NETWORK TEST

Ignition ON.

Using a diagnostic scan tool, perform the network test.

Do the SODL and SODR pass the network test?

Yes

GO to A6

No	See the Symptom Chart: Communication Network. REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

A6 CHECK THE SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Using a diagnostic scan tool, retrieve the Continuous Memory Diagnostic Trouble Codes (CMDTCs) from the SODL and SODR .

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to the SODL and SODR DTC Chart in this section.

GO to A7

A7 VERIFY THE MESSAGE CENTER FUNCTIONALITY

Verify the message center and information and entertainment unit functions correctly.

Does the message center and information and entertainment unit functions correctly?

Yes

GO to A8

See the Symptom Chart: Information And Message Center.
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). See the Symptom Chart: Information And Entertainment System.
REFER to: Information and Entertainment System (415-00 Information and Entertainment System - General Information, Diagnosis and Testing).

A8 VERIFY THE BLIS (BLIND SPOT INFORMATION SYSTEM) ® IS ENABLED IN THE INFORMATION AND ENTERTAINMENT UNIT

NOTE: Verify a MyKey® is NOT in use. Navigate to the BLIS ® menu in the information and entertainment display unit and verify the BLIS ® is ON.

Is the BLIS ® ON?

Yes

GO to A9

No	ACTIVATE the BLIS ®. If the system cannot be activated, GO to A10

A9 CHECK FOR CORRECT GEAR INPUT

Apply the parking brake.

While monitoring the reversing lamps, move the selector lever through the entire range.

Do the reversing lamps illuminate only in reverse?

Yes

GO to A10

No	DIAGNOSE the reversing lamps. REFER to: Reversing Lamps (417-01 Exterior Lighting, Diagnosis and Testing).

A10 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) KOEO (KEY ON, ENGINE OFF) SELF-TEST

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

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

See Electronic Engine Control, PCM DTC Chart. Refer to the appropriate section in Group 303 for the procedure.

GO to A11

A11 CHECK THE GWM (GATEWAY MODULE A) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (CMDTCs).

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

See the GWM DTC Chart.
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

No	• For vehicles with door modules, GO to A12 • For vehicles without door modules, GO to A15

A12 PERFORM THE DDM (DRIVER DOOR MODULE) SELF-TEST

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

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

• For DTC B118C:11 or DTC B118C:15, REFER to the DDM DTC Chart in this section.
• For all other Diagnostic Trouble Codes (DTCs),
REFER to: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).

GO to A13

A13 PERFORM THE PDM (PASSENGER DOOR MODULE) SELF-TEST

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

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

• For DTC B118D:11 or DTC B118D:15, REFER to the PDM DTC Chart in this section.
• For all other Diagnostic Trouble Codes (DTCs),
REFER to: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).

GO to A14

A14 PERFORM THE TRM (TRAILER MODULE) SELF-TEST

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

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to: Trailer Lamps (417-01 Exterior Lighting, Diagnosis and Testing).

GO to A15

A15 VERIFY THE SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) CONFIGURATION

Check the vehicle service history for recent service action related to the SODL and SODR .

Have there been any recent service actions related to the SODL or SODR ?

Yes

INSTALL As-Built data into the SODL and SODR from Professional Technician Society (PTS) following diagnostic scan tool instructions under Module Programming>As-Built.

No	• For a SODL concern, GO to A16 • For a SODR concern, GO to A17

A16 CHECK FOR CORRECT SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) OPERATION

Ignition OFF.

Disconnect and inspect the SODL connector.

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

Reconnect the SODL connector. Make sure the connectors 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 Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new SODL . REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).

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

A17 CHECK FOR CORRECT SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) OPERATION

Ignition OFF.

Disconnect and inspect the SODR connector.

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

Reconnect the SODR connector. Make sure the connectors 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 Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new SODR . REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).

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

PINPOINT TEST B: THE CTA (CROSS TRAFFIC ALERT) SYSTEM IS INOPERATIVE OR DOES NOT FUNCTION CORRECTLY

Refer to Wiring Diagrams Cell 146 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Blind Spot Information System - System Operation and Component Description (419-04 Side and Rear Vision, Description and Operation).

Possible Sources

Communication network concern
Obstruction or damage to the rear bumper cover sides
Configuration concern
SODL
SODR
IPC concern
PCM concern
GWM concern
PAM concern
TRM concern (if equipped)
DDM concern (for vehicles with door modules only)
PDM concern (for vehicles with door modules only)

Visual Inspection and Pre-checks

Verify a trailer is not electrically connected to the vehicle.
Check for obstructions or damage to the rear bumper cover sides.

B1 VERIFY THE LH (LEFT-HAND) AND RH (RIGHT-HAND) EXTERIOR MIRROR BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) OPERATION

Ignition OFF.

Observe the LH and RH exterior mirror BLIS ®/ CTA Light Emitting Diodes (LEDs).

Start the engine.

Do the LH and RH exterior mirror BLIS ®/ CTA Light Emitting Diodes (LEDs) illuminate and turn off after approximately 3 seconds?

Yes

GO to B2

B2 VERIFY THE CTA (CROSS TRAFFIC ALERT) SYSTEM OPERATION

Verify the operation of the CTA system.

Does the CTA operate correctly ?

Yes

The concern may have been caused by an intermittent condition such as poor weather conditions or the customer's perception of proper CTA system operation. REVIEW proper system operation with the customer. REFER to the Owner's Literature.

GO to B3

B3 CHECK FOR SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) OBSTRUCTIONS

Ignition OFF.

Inspect the rear side bumper cover for a build up of mud, bumper stickers or any obstruction.

Are any obstructions present?

Yes

CLEAN and REMOVE all obstructions from the rear bumper cover sides.

GO to B4

B4 INSPECT THE REAR BUMPER COVER, SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) FOR DAMAGE

Inspect the rear side bumper cover and the SODL and SODR mounting brackets for damage.

Is any damage present?

Yes

GO to B5

B5 VERIFY THE SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) PASS THE NETWORK TEST

Ignition ON.

Using a diagnostic scan tool, perform the network test.

Do the SODL and SODR pass the network test?

Yes

GO to B6

No	See the Symptom Chart: Communication Network. REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

B6 CHECK THE SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Using a diagnostic scan tool, retrieve the Continuous Memory Diagnostic Trouble Codes (CMDTCs) from the SODL and SODR .

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to the SODL and SODR DTC Chart in this section.

GO to B7

B7 VERIFY THE MESSAGE CENTER FUNCTIONALITY

Verify the message center and information and entertaintment unit functions correctly.

Does the message center and information and entertaintment unit functions correctly?

Yes

GO to B8

See the Symptom Chart: Information And Message Center.
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). See the Symptom Chart: Information And Entertaintment unit.
REFER to: Information and Entertainment System (415-00 Information and Entertainment System - General Information, Diagnosis and Testing).

B8 VERIFY THE CTA (CROSS TRAFFIC ALERT) IS ENABLED IN THE INFORMATION AND ENTERTAINMENT UNIT

NOTE: Verify a MyKey® is NOT in use. Navigate to the CTA menu in the information and entertainment display unit and verify the CTA system is ON.

Is the CTA system ON?

Yes

GO to B9

No	ACTIVATE the CTA system. If the system cannot be activated, GO to B10

B9 CHECK FOR CORRECT GEAR INPUT

Apply the parking brake.

While monitoring the reversing lamps, move the selector lever through the entire gear range.

Do the reversing lamps illuminate only in reverse?

Yes

GO to B10

No	DIAGNOSE the reversing lamps. REFER to: Reversing Lamps (417-01 Exterior Lighting, Diagnosis and Testing).

B10 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) KOEO (KEY ON, ENGINE OFF) SELF-TEST

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

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

DIAGNOSE the PCM Diagnostic Trouble Codes (DTCs). See Electronic Engine Control, PCM DTC Chart. Refer to the appropriate section in Group 303 for the procedure.

GO to B11

B11 PERFORM THE PAM (PARKING ASSIST CONTROL MODULE) SELF-TEST

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

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

See the DTC Chart: PAM .
REFER to: Parking Aid (413-13B Parking Aid - Vehicles With: 180 Degree Camera/360 Degree Camera/Parking Aid Camera, Diagnosis and Testing).

GO to B12

B12 CHECK THE GWM (GATEWAY MODULE A) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (CMDTCs).

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

See the GWM DTC Chart.
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

No	• For vehicles with door modules, GO to B13 • For vehicles without door modules, GO to B16

B13 PERFORM THE DDM (DRIVER DOOR MODULE) SELF-TEST

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

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

GO to B14

B14 PERFORM THE PDM (PASSENGER DOOR MODULE) SELF-TEST

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

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

GO to B15

B15 PERFORM THE TRM (TRAILER MODULE) SELF-TEST

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

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to: Trailer Lamps (417-01 Exterior Lighting, Diagnosis and Testing).

GO to B16

B16 VERIFY THE SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) CONFIGURATION

Check the vehicle service history for recent service action related to the SODL and SODR .

Have there been any recent service actions related to the SODL or SODR ?

Yes

INSTALL As-Built data into the SODL and SODR from Professional Technician Society (PTS) following diagnostic scan tool instructions under Module Programming>As-Built.

No	• For a SODL concern, GO to B17 • For a SODR concern, GO to B18

B17 CHECK FOR CORRECT SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) OPERATION

Ignition OFF.

Disconnect and inspect the SODL connector.

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

Reconnect the SODL connector. Make sure the connectors 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 a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

B18 CHECK FOR CORRECT SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) OPERATION

Ignition OFF.

Disconnect and inspect the SODR connector.

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

Reconnect the SODR connector. Make sure the connectors 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 Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new SODR . REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).

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

PINPOINT TEST C: AN EXTERIOR MIRROR BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) IS ALWAYS ON (WITHOUT DOOR MODULES)

Refer to Wiring Diagrams Cell 146 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Blind Spot Information System - System Operation and Component Description (419-04 Side and Rear Vision, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
SODL B11D6:15	Driver Display Alert LED: Circuit Short To Battery Or Open	This DTC sets in continuous memory and on-demand in the SODL when a lower than expected current draw (such as a short to voltage) is detected on the LH exterior mirror BLIS ®/ CTA LED output circuit for 500 mili-seconds.
SODR B11D6:15	Driver Display Alert LED: Circuit Short To Battery Or Open	This DTC sets in continuous memory and on-demand in the SODR when a lower than expected current draw (such as a short to voltage) is detected on the RH exterior mirror BLIS ®/ CTA LED output circuit for 500 mili-seconds.

Possible Sources

Wiring, terminals or connectors
SODL
SODR

C1 VERIFY THE EXTERIOR MIRROR BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) OPERATION

Start the engine.

Observe the exterior mirror BLIS ®/ CTA Light Emitting Diodes (LEDs) for 10 seconds.

Is the always on condition still present?

Yes

GO to C2

No	The system is operating correctly at this time. The concern may have been caused by an intermittent condition.

C2 CHECK THE DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) SELF-TESTS

Using a diagnostic scan tool, perform the SODL and SODR self-tests.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

• For DTC B11D6:15, GO to C3
• For all other Diagnostic Trouble Codes (DTCs), REFER to the SODL and SODR DTC chart in this section.

GO to C3

C3 CHECK THE EXTERIOR MIRROR BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) SUPPLY CIRCUITS FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect: SODL C4369. (LH LED concern).

Disconnect: SODR C4370. (RH LED concern).

Ignition ON.

Measure:
Click to display connectors
SODL

Positive Lead Measurement / Action Negative Lead

C4369-4 Ground

Click to display connectors
SODR

Positive Lead Measurement / Action Negative Lead

C4370-4 Ground

Is any voltage present?

Yes

REPAIR the circuit.

No	• For a LH LED concern, GO to C4 • For a RH LED concern, GO to C5

C4 CHECK FOR CORRECT SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) OPERATION

Ignition OFF.

Disconnect and inspect the SODL connector.

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

Reconnect the SODL connector. Make sure the connector 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. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

C5 CHECK FOR CORRECT SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) OPERATION

Ignition OFF.

Disconnect and inspect the SODR connector.

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

Reconnect the SODR connector. Make sure the connector 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 Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new SODR . REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).

No	The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST D: AN EXTERIOR MIRROR BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) IS ALWAYS ON (WITH DOOR MODULES)

Refer to Wiring Diagrams Cell 146 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Blind Spot Information System - System Operation and Component Description (419-04 Side and Rear Vision, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
DDM B118C:15	Left Blind Spot Warning Indicator: Circuit Short To Battery Or Open	This DTC sets in continuous memory and on-demand in the DDM when a lower than expected current draw (such as a short to voltage) is detected on the LH exterior mirror BLIS ®/ CTA LED output circuit.
PDM B118D:15	Right Blind Spot Warning Indicator: Circuit Short To Battery Or Open	This DTC sets in continuous memory and on-demand in the PDM when a lower than expected current draw (such as a short to voltage) is detected on the RH exterior mirror BLIS ®/ CTA LED output circuit.

Possible Sources

Wiring, terminals or connectors
DDM
PDM

D1 VERIFY THE EXTERIOR MIRROR BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) OPERATION

Start the engine.

Observe the exterior mirror BLIS ®/ CTA Light Emitting Diodes (LEDs) for 10 seconds.

Is the always on condition still present?

Yes

If the LH LED is always on, GO to D2
If the RH LED is always on, GO to D4

No	The system is operating correctly at this time. The concern may have been caused by an intermittent condition.

D2 CHECK THE LH (LEFT-HAND) EXTERIOR MIRROR BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect DDM C501B .

Ignition ON.

Does the BLIS ®/ CTA LED turn off?

Yes

GO to D6

GO to D3

D3 CHECK FOR A SHORT BETWEEN THE LH (LEFT-HAND) BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) OUTPUT CIRCUIT AND THE MEMORY POSITION SENSOR SUPPLY CIRCUIT

Ignition OFF.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C501B-23 C501B-3

Is the resistance greater than 10,000 ohms?

Yes

GO to D6

No	REPAIR the circuit.

D4 CHECK THE RH (RIGHT-HAND) EXTERIOR MIRROR BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect PDM C652B .

Ignition ON.

Does the BLIS ®/ CTA LED turn off?

Yes

GO to D7

GO to D5

D5 CHECK FOR A SHORT BETWEEN THE RH (RIGHT-HAND) BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) OUTPUT CIRCUIT AND THE MEMORY POSITION SENSOR SUPPLY CIRCUIT

Ignition OFF.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C652B-23 C652B-3

Is the resistance greater than 10,000 ohms?

Yes

GO to D7

No	REPAIR the circuit.

D6 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) OPERATION

Ignition OFF.

Disconnect and inspect the DDM connector.

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

Reconnect the DDM connector. Make sure the connector 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 Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) 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 a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

D7 CHECK FOR CORRECT PDM (PASSENGER DOOR MODULE) OPERATION

Ignition OFF.

Disconnect and inspect the PDM connector.

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

Reconnect the PDM connector. Make sure the connector 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 Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) 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 a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST E: AN EXTERIOR MIRROR BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) IS INOPERATIVE (WITHOUT DOOR MODULES)

Refer to Wiring Diagrams Cell 146 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Blind Spot Information System - System Operation and Component Description (419-04 Side and Rear Vision, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
SODL B11D6:11	Driver Display Alert LED: Circuit Short To Ground	This DTC sets in continuous memory and on-demand in the SODL when a higher than expected current draw (such as a short to ground) is detected on the LH exterior mirror BLIS ®/ CTA LED output circuit for 2.5 seconds.
SODR B11D6:11	Driver Display Alert LED: Circuit Short To Ground	This DTC sets in continuous memory and on-demand in the SODR when a higher than expected current draw (such as a short to ground) is detected on the RH exterior mirror BLIS ®/ CTA LED output circuit for 2.5 seconds.
SODL B11D6:15	Driver Display Alert LED: Circuit Short To Battery Or Open	This DTC sets in continuous memory and on-demand in the SODL when an open circuit is detected on the LH exterior mirror BLIS ®/ CTA LED output circuit for 2.5 seconds.
SODR B11D6:15	Driver Display Alert LED: Circuit Short To Battery Or Open	This DTC sets in continuous memory and on-demand in the SODR when an open circuit is detected on the RH exterior mirror BLIS ®/ CTA LED output circuit for 2.5 seconds.

Possible Sources

Wiring, terminals or connectors
Communication network concern
Exterior mirror
SODL
SODR
Exterior mirror BLIS ®/ CTA LED (integral to the exterior mirror glass)

E1 CHECK THE BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) OPERATION

Start the engine.

Observe the left and right exterior mirror BLIS ®/ CTA Light Emitting Diodes (LEDs).

Do the left and right BLIS ®/ CTA Light Emitting Diodes (LEDs) illuminate and turn off after 3 seconds?

Yes

The system is operating correctly at this time. The concern may have been caused by an intermittent fault condition. VERIFY the operation of the and CTA system.

GO to E2

E2 VERIFY THE SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) PASS THE NETWORK TEST

Ignition OFF.

Ignition ON.

Using a diagnostic scan tool, perform a network test.

Do the SODL and SODR pass the network test?

Yes

GO to E3

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

E3 CHECK THE DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) SELF-TESTS

Using a diagnostic scan tool, perform the SODL and SODR self-tests.

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

For DTC B11D6:11 or DTC B11D6:15, GO to E4
For all other Diagnostic Trouble Codes (DTCs), REFER to the SODL and SODR DTC chart in this section.

GO to E5

E4 CHECK THE EXTERIOR MIRROR BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) SUPPLY CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect: SODL C4369 (LH LED concern).

Disconnect: SODR C4370 (RH LED concern).

Measure:
Click to display connectors
SODL

Positive Lead Measurement / Action Negative Lead

C4369-4 Ground

Click to display connectors
SODR

Positive Lead Measurement / Action Negative Lead

C4370-4 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to E5

No	REPAIR the circuit.

E5 CHECK THE SUSPECTED EXTERIOR MIRROR BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) FOR ILLUMINATION

Ignition OFF.

Disconnect: SODL C4369 (LH LED concern).

Disconnect: SODR C4370 (RH LED concern).

Connect a fused jumper wire:
Click to display connectors
LH Exterior Mirror LED

Positive Lead Measurement / Action Negative Lead

C4369-5 C4369-4

Click to display connectors
RH Exterior Mirror LED

Positive Lead Measurement / Action Negative Lead

C4370-5 C4370-4

Ignition ON.

Does the LED in question illuminate?

Yes

REMOVE the fused jumper wire. For the LH LED , GO to E11
REMOVE the fused jumper wire. For the RH LED , GO to E12

No	REMOVE the fused jumper wire, GO to E6

E6 CHECK THE EXTERIOR MIRROR GLASS BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) FOR AN OPEN

Ignition OFF.

Disconnect: LH BLIS ®/ CTA LED C520 (LH LED concern).

Disconnect: RH BLIS ®/ CTA LED C622 (RH LED concern).

Measure:
Click to display connectors
LH Exterior Mirror LED

Positive Lead Measurement / Action Negative Lead

C520-1 (component side) C520-9 (component side)

Click to display connectors
RH Exterior Mirror LED

Positive Lead Measurement / Action Negative Lead

C622-1 (component side) C622-9 (component side)

Is the resistance less than 2000 ohms?

Yes

GO to E7

No	INSTALL a new exterior mirror glass for the mirror in question. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).

E7 CHECK THE EXTERIOR MIRROR BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) SUPPLY CIRCUIT FOR AN OPEN

Measure:
Click to display connectors
LH Exterior Mirror LED

Positive Lead Measurement / Action Negative Lead

C4369-4 C520-1

Click to display connectors
RH Exterior Mirror LED

Positive Lead Measurement / Action Negative Lead

C4370-4 C622-1

Is the resistance less than 3 ohms?

Yes

GO to E9

GO to E8

E8 CHECK THE EXTERIOR MIRROR FOR AN OPEN

Disconnect: LH Exterior Mirror C520 (LH LED concern).

Disconnect: RH Exterior Mirror C622 (RH LED concern).

Measure:
Click to display connectors
LH Exterior Mirror LED

Positive Lead Measurement / Action Negative Lead

C4369-4 C520-1

Click to display connectors
RH Exterior Mirror LED

Positive Lead Measurement / Action Negative Lead

C4370-4 C622-1

Is the resistance less than 3 ohms?

Yes

GO to E13

No	REPAIR the circuit.

E9 CHECK THE EXTERIOR MIRROR BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) GROUND CIRCUIT FOR AN OPEN

Measure:
Click to display connectors
LH Exterior Mirror LED

Positive Lead Measurement / Action Negative Lead

C520-9 Ground

Click to display connectors
RH Exterior Mirror LED

Positive Lead Measurement / Action Negative Lead

C622-9 Ground

Is the resistance less than 3 ohms?

Yes

• For the LH LED , GO to E11
• For the RH LED , GO to E12

GO to E10

E10 CHECK THE EXTERIOR MIRROR GROUND CIRCUIT FOR AN OPEN

Disconnect: LH Exterior Mirror C520 (LH LED concern).

Disconnect: RH Exterior Mirror C622 (RH LED concern).

Measure:
Click to display connectors
LH Exterior Mirror LED

Positive Lead Measurement / Action Negative Lead

C520-9 Ground

Click to display connectors
RH Exterior Mirror LED

Positive Lead Measurement / Action Negative Lead

C622-9 Ground

Is the resistance less than 3 ohms?

Yes

GO to E13

No	REPAIR the circuit.

E11 CHECK FOR CORRECT SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) OPERATION

Ignition OFF.

Disconnect and inspect all SODL connector.

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

Reconnect the SODL connector. Make sure all connector 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. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

E12 CHECK FOR CORRECT SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) OPERATION

Ignition OFF.

Disconnect and inspect all SODR connector.

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

Reconnect the SODR connector. Make sure all connector 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 Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new SODR . REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).

No	The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

E13 CHECK THE EXTERIOR MIRROR JUMPER HARNESS

Inspect the exterior mirror jumper harness between the vehicle harness and the mirror glass for:
- Open or short circuits
- Damaged or pushed out pins
- Corrosion

Is the harness OK?

Yes

INSTALL a new exterior mirror. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).

No	REPAIR the harness as necessary. If the harness cannot be repaired, INSTALL a new exterior mirror. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).

PINPOINT TEST F: AN EXTERIOR MIRROR BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) IS INOPERATIVE (WITH DOOR MODULES)

Refer to Wiring Diagrams Cell 146 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Blind Spot Information System - System Operation and Component Description (419-04 Side and Rear Vision, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
DDM B118C:11	Left Blind Spot Warning Indicator: Circuit Short To Ground	This DTC sets in continuous memory and on-demand in the DDM when a higher than expected current draw is detected on the LH exterior mirror BLIS ®/ CTA LED output circuit.
DDM B118C:15	Left Blind Spot Warning Indicator: Circuit Short To Battery Or Open	This DTC sets in continuous memory and on-demand in the DDM when an open circuit is detected on the LH exterior mirror BLIS ®/ CTA LED output circuit.
PDM B118D:11	Right Blind Spot Warning Indicator: Circuit Short To Ground	This DTC sets in continuous memory and on-demand in the PDM when a higher than expected current draw is detected on the RH exterior mirror BLIS ®/ CTA LED output circuit.
PDM B118D:15	Right Blind Spot Warning Indicator: Circuit Short To Battery Or Open	This DTC sets in continuous memory and on-demand in the PDM when an open circuit is detected on the RH exterior mirror BLIS ®/ CTA LED output circuit.

Possible Sources

Wiring, terminals or connectors
Communication network concern
Exterior mirror
SODL
SODR
DDM
PDM
Exterior mirror BLIS ®/ CTA LED (integral to the exterior mirror glass)

F1 CHECK THE BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) OPERATION

Start the engine.

Observe the left and right exterior mirror BLIS ®/ CTA Light Emitting Diodes (LEDs).

Do the left and right BLIS ®/ CTA Light Emitting Diodes (LEDs) illuminate and turn off after 3 seconds?

Yes

The system is operating correctly at this time. The concern may have been caused by an intermittent fault condition. VERIFY the operation of the BLIS ® and CTA system.

GO to F2

F2 VERIFY THE SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) PASS THE NETWORK TEST

Ignition OFF.

Ignition ON.

Using a diagnostic scan tool, perform a network test.

Do the SODL and SODR pass the network test?

Yes

GO to F3

No	See the Symptom Chart: Communication Network. REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

F3 VERIFY THE DDM (DRIVER DOOR MODULE) AND PDM (PASSENGER DOOR MODULE) PASS THE NETWORK TEST

Ignition OFF.

Ignition ON.

Using a diagnostic scan tool, perform a network test.

Do the DDM and PDM pass the network test?

Yes

GO to F4

No	See the Symptom Chart: Communication Network. REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

F4 CHECK FOR RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE DDM (DRIVER DOOR MODULE) OR PDM (PASSENGER DOOR MODULE) SELF-TEST

Using a diagnostic scan tool, perform the DDM ( LH LED concern) or PDM ( RH LED concern) self-tests.

Is DDM DTC B118C:11 or PDM DTC B118D:11 present?

Yes

• For DTC B118C:11, GO to F5
• For DTC B118D:11, GO to F10

No	• If the LH BLIS ®/ CTA LED is inoperative, GO to F8 • If the RH BLIS ®/ CTA LED is inoperative, GO to F13

F5 CHECK THE DDM (DRIVER DOOR MODULE) DIAGNOSTIC TROUBLE CODES (DTCS) WITH THE LH (LEFT-HAND) BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) DISCONNECTED

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

Ignition OFF.

Ignition ON.

NOTE: DTC B118C:11 may be set during this step, it can be ignored. Using the diagnostic scan tool, perform the DDM self-test.

Is DTC B118C:15 present?

Yes

GO to F6

GO to F7

F6 CHECK THE EXTERIOR MIRROR HARNESS FOR A SHORT TO GROUND

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

Ignition OFF.

Disconnect LH Exterior Mirror C521 .

Ignition ON.

NOTE: DTC B118C:11 may be set during this step, it can be ignored. Using the diagnostic scan tool, perform the DDM self-test.

Is DTC B118C:15 present?

Yes

GO to F17

No	REPAIR the circuit.

F7 CHECK THE LH (LEFT-HAND) BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect DDM C501B .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C501B-10 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to F15

No	REPAIR the circuit.

F8 CHECK THE DDM (DRIVER DOOR MODULE) DIAGNOSTIC TROUBLE CODES (DTCS) WITH THE LH (LEFT-HAND) BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) CIRCUITS JUMPED TOGETHER AT THE LH (LEFT-HAND) EXTERIOR MIRROR

Ignition OFF.

Disconnect LH Exterior Mirror C521 .

Connect fused jumper wire:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C521-7 C521-9

Ignition ON.

NOTE: DTC B118C:15 may be set during this step, it can be ignored. Using a diagnostic scan tool, perform the DDM self-test.

Is DTC B118C:11 present?

Yes

REMOVE the fused jumper wire. GO to F17

No	REMOVE the fused jumper wire. GO to F9

F9 CHECK THE LH (LEFT-HAND) BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) CIRCUITS FOR AN OPEN BETWEEN THE DDM (DRIVER DOOR MODULE) AND THE LH (LEFT-HAND) EXTERIOR MIRROR.

Ignition OFF.

Disconnect DDM C501B .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C521-9 C501B-10

C521-7 C501B-3

Is the resistance less than 3 ohms?

Yes

GO to F15

No	REPAIR the affected circuit.

F10 CHECK THE PDM (PASSENGER DOOR MODULE) DIAGNOSTIC TROUBLE CODES (DTCS) WITH THE RH (RIGHT-HAND) BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) DISCONNECTED

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

Ignition OFF.

Ignition ON.

NOTE: DTC B118D:11 may set during this step, it can be ignored. Using the diagnostic scan tool, perform the PDM self-test.

Is DTC B118D:15 present?

Yes

GO to F11

GO to F12

F11 CHECK THE EXTERIOR MIRROR HARNESS FOR A SHORT TO GROUND

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

Ignition OFF.

Disconnect RH Exterior Mirror C601 .

Ignition ON.

NOTE: DTC B118D:11 may set during this step, it can be ignored. Using the diagnostic scan tool, perform the PDM self-test.

Is DTC B118D:15 present?

Yes

GO to F17

No	REPAIR the circuit.

F12 CHECK THE RH (RIGHT-HAND) BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect PDM C652B .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C652B-10 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to F16

No	REPAIR the circuit.

F13 CHECK THE PDM (PASSENGER DOOR MODULE) DIAGNOSTIC TROUBLE CODES (DTCS) WITH THE RH (RIGHT-HAND) BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) CIRCUITS JUMPED TOGETHER AT THE LH (LEFT-HAND) EXTERIOR MIRROR

Ignition OFF.

Disconnect RH Exterior Mirror C601 .

Connect fused jumper wire:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C601-7 C601-9

Ignition ON.

NOTE: DTC B118D:15 may set during this step, it can be ignored. Using a diagnostic scan tool, perform the PDM self-test.

Is DTC B118D:11 present?

Yes

REMOVE the fused jumper wire. INSTALL a new RH exterior mirror glass. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).

No	REMOVE the fused jumper wire. GO to F14

F14 CHECK THE RH (RIGHT-HAND) BLIS (BLIND SPOT INFORMATION SYSTEM) ®/ CTA (CROSS TRAFFIC ALERT) LED (LIGHT EMITTING DIODE) CIRCUITS FOR AN OPEN BETWEEN THE PDM (PASSENGER DOOR MODULE) AND THE RH (RIGHT-HAND) EXTERIOR MIRROR.

Ignition OFF.

Disconnect PDM C652B .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C601-9 C652B-10

C601-7 C652B-3

Is the resistance less than 3 ohms?

Yes

GO to F15

No	REPAIR the affected circuit.

F15 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) OPERATION

Ignition OFF.

Disconnect and inspect all DDM connector.

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

Reconnect the DDM connector. Make sure all connector 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 Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) 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 a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

F16 CHECK FOR CORRECT PDM (PASSENGER DOOR MODULE) OPERATION

Ignition OFF.

Disconnect and inspect all PDM connector.

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

Reconnect the PDM connector. Make sure all connector 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 Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) 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 a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

F17 CHECK THE EXTERIOR MIRROR JUMPER HARNESS

Inspect the exterior mirror jumper harness between the vehicle harness and the mirror glass for:
- Open or short circuits
- Damaged or pushed out pins
- Corrosion

Is the harness OK?

Yes

INSTALL a new exterior mirror. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).

No	REPAIR the harness as necessary. If the harness cannot be repaired, INSTALL a new exterior mirror. REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation).

PINPOINT TEST G: THE IPC (INSTRUMENT PANEL CLUSTER) MESSAGE CENTER DISPLAYS A BLOCKED SENSOR MESSAGE

Normal Operation and Fault Conditions

REFER to: Blind Spot Information System - System Operation and Component Description (419-04 Side and Rear Vision, Description and Operation).

Possible Sources

Build-up of dirt or debris on the rear bumper cover sides
Damaged rear bumper cover
SODL
SODR

G1 INSPECT THE SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) FOR DEBRIS, MUD, SNOW OR ICE

Inspect the rear bumper cover, SODL and SODR for any debris, mud, snow or ice that may be present.

Is the rear bumper cover, SODL or SODR blocked due to debris, mud, snow or ice?

Yes

REMOVE and CLEAN the affected component(s). Once the repair is complete, PERFORM one key cycle and DRIVE the vehicle. The SODL and SODR needs to detect 2 good targets while the vehicle is being driven to clear the blocked condition.

GO to G2

G2 INSPECT THE REAR BUMPER COVER, SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) FOR DAMAGE

Thoroughly inspect the rear bumper cover, SODL , SODR and the SODL and SODR mounting brackets for damage.

Is any damage present?

Yes

No	• For a SODL concern, GO to G3 • For a SODR concern, GO to G4

G3 CHECK FOR CORRECT SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) OPERATION

Ignition OFF.

Disconnect and inspect all SODL connector.

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

Reconnect the SODL connector. Make sure all connector 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 a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

G4 CHECK FOR CORRECT SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) OPERATION

Ignition OFF.

Disconnect and inspect all SODR connector.

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

Reconnect the SODR connector. Make sure all connector 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 Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new SODR . REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).

No	The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST H: THE BLIS (BLIND SPOT INFORMATION SYSTEM) ® AND CTA (CROSS TRAFFIC ALERT) SYSTEM CANNOT BE TURNED OFF IN THE INFORMATION AND ENTERTAINMENT DISPLAY UNIT

Normal Operation and Fault Conditions

REFER to: Blind Spot Information System - System Operation and Component Description (419-04 Side and Rear Vision, Description and Operation).

Possible Sources

MyKey® in use
Communication network concern
Message center concern
GWM concern
Information and entertainment display unit concern
SODR concern
SODL concern

Visual Inspection and Pre-checks

Determine if a MyKey® restricted key is in use. If a restricted key is in use, the BLIS ® or the CTA system cannot be turned off in the information and entertainment display unit.

H1 VERIFY WHETHER A MYKEY® RESTRICTED KEY IS IN USE

Verify whether a MyKey® restricted key is in use.

Is a MyKey® restricted key in use?

Yes

The system is operating correctly at this time. INFORM the customer of normal operation. REFER to the Owner's Literature.

GO to H2

H2 PERFORM A NETWORK TEST

Ignition ON.

Using a diagnostic scan tool, perform a network test.

Do the IPC , GWM , SODL , SODR and APIM pass the network test?

Yes

GO to H3

No	See the Symptom Chart: Communication Network. REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

H3 CHECK THE GWM (GATEWAY MODULE A) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (CMDTCs).

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

See the GWM DTC Chart.
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

GO to H4

H4 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) SELF-TESTS

Using a diagnostic scan tool, perform the SODL , SODR and APIM self-tests.

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

See the SODL , SODR and APIM DTC Chart in this section.

GO to H5

H5 CHECK THE INFORMATION AND ENTERTAINMENT DISPLAY UNIT FOR CORRECT OPERATION

Check the information and entertainment display unit driver assist menu for correct operation while turning the BLIS ® and CTA system on and off.

Does the information and entertainment display unit driver assist menu function correctly?

Yes

The system is operating correctly at this time. The concern may have been caused by an intermittent fault condition.

No	See the Symptom Chart: Information And Entertainment System. REFER to: Information and Entertainment System (415-00 Information and Entertainment System - General Information, Diagnosis and Testing).

PINPOINT TEST I: LOST COMMUNICATION WITH A MODULE (NO SUB TYPE INFORMATION)

Normal Operation and Fault Conditions

REFER to: Communications Network - System Operation and Component Description (418-00 Module Communications Network, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
SODL U0100:00	Lost Communication With ECM/PCM 'A': No Sub Type Information	A continuous memory DTC that sets in the SODL when messages received from the PCM over the HS-CAN1 through the GWM are missing for 3 seconds or more.
SODR U0100:00	Lost Communication With ECM/PCM 'A': No Sub Type Information	A continuous memory DTC that sets in the SODR when messages received from the PCM over the HS-CAN1 through the GWM are missing for 3 seconds or more.
SODL U0101:00	Lost Communication with TCM: No Sub Type Information	A continuous memory DTC that sets in the SODL when messages received from the PCM over the HS-CAN1 through the GWM are missing for 3 seconds or more.
SODR U0101:00	Lost Communication with TCM: No Sub Type Information	A continuous memory DTC that sets in the SODR when messages received from the PCM over the HS-CAN1 through the GWM are missing for 3 seconds or more.
SODL U0121:00	Lost Communication With Anti-Lock Brake System (ABS) Control Module 'A': No Sub Type Information	A continuous memory DTC that sets in in the SODL if ABS messages received from the ABS module over the HS-CAN through the BCM are missing for 2 seconds or more.
SODR U0121:00	Lost Communication With Anti-Lock Brake System (ABS) Control Module 'A': No Sub Type Information	A continuous memory DTC that sets in in the SODR if ABS messages received from the ABS module over the HS-CAN through the BCM are missing for 2 seconds or more.
SODL U0140:00	Lost Communication With Body Control Module: No Sub Type Information	A continuous memory DTC that sets in in the SODL if data messages received from the BCM over the MS-CAN are missing for 2 seconds or more.
SODR U0140:00	Lost Communication With Body Control Module: No Sub Type Information	A continuous memory DTC that sets in in the SODR if data messages received from the BCM over the MS-CAN are missing for 2 seconds or more.
SODL U0146:00	Lost Communication With Serial Data Gateway 'A': No Sub Type Information	A continuous memory DTC that sets in the SODL when messages received through the GWM are missing for 3 seconds or more.
SODR U0146:00	Lost Communication With Serial Data Gateway 'A': No Sub Type Information	A continuous memory DTC that sets in the SODR when messages received through the GWM are missing for 3 seconds or more.
SODL U0151:00	Lost Communication With Restraints Control Module: No Sub Type Information	Sets in continuous memory when the SODL detects messages from the RCM are missing for more than 5 seconds.
SODR U0151:00	Lost Communication With Restraints Control Module: No Sub Type Information	Sets in continuous memory when the SODR detects messages from the RCM are missing for more than 5 seconds.
SODL U0155:00	Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information	Sets in continuous memory when the SODL detects network messages are missing from the IPC for more than 5 seconds.
SODR U0155:00	Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information	Sets in continuous memory when the SODR detects network messages are missing from the IPC for more than 5 seconds.
SODL U0199:00	Lost Communication With 'Door Control Module A': No Sub Type Information	A continuous memory DTC that sets in the SODL when expected messages from the DDM are missing for 3 seconds or more.
SODR U0200:00	Lost Communication With 'Door Control Module B': No Sub Type Information	A continuous memory DTC that sets in the SODR when expected messages from the PDM are missing for 3 seconds or more.
SODL U0232:00	Lost Communication With Side Obstacle Detection Control Module 'A': No Sub Type Information	Sets in continuous memory when the SODL detects network messages are missing from the SODR for more than 3 seconds when the ignition is on.
SODR U0233:00	Lost Communication With Side Obstacle Detection Control Module 'B': No Sub Type Information	Sets in continuous memory when the SODR detects network messages are missing from the SODL for more than 3 seconds when the ignition is on.

Possible Sources

Communication network concern
Battery voltage concern
GWM
CAN module fault determined by a lost communication DTC being set
SODL
SODR

I1 VERIFY THE CUSTOMER'S CONCERN

Ignition ON.

Verify if there is an observable symptom present.

Is an observable symptom present?

Yes

GO to I2

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

I2 CHECK THE COMMUNICATION NETWORK

Using a diagnostic scan tool, perform the network test.

Do all modules pass the network test?

Yes

GO to I3

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

I3 CHECK THE SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) CMDTC (CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODE)

Using a diagnostic scan tool, perform the SODL and SODR self-test.

Clear the Diagnostic Trouble Codes (DTCs).

Wait 10 seconds.

Repeat the SODL and SODR self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?

Yes

DIAGNOSE all non-network Diagnostic Trouble Codes (DTCs). REFER to the SODL and SODR DTC Chart in this section.

GO to I4

I4 PERFORM THE SELF-TEST

Determine which lost communication Diagnostic Trouble Coes (DTCs) set during the SODL and SODR self test.

Using a diagnostic scan tool, perform the self-test for the module(s) that set a lost communication fault in the SODL and SODR .

Are any non-network Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to the Master DTC Chart.

GO to I5

I5 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (CMDTCs).

Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes

REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

GO to I6

I6 RECHECK THE SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) DIAGNOSTIC TROUBLE CODES (DTCS)

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

Ignition OFF.

Ignition ON.

Wait 10 seconds.

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

Check the SODL and SODR Diagnostic Trouble Codes (DTCs).

Are any lost communication Diagnostic Trouble Codes (DTCs) still present?

Yes

GO to I7

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

I7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK CONCERN

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

CHECK the vehicle service history for recent service actions related to the module(s) in question, GWM , SODL or SODR . If recent service history is found:
- verify correct replacement module was installed
  - vehicle parts build may be used to verify correct part fitment
- verify the configuration of replacement module was correct
  - re-configure module using as-built data if prior configuration is suspect
- verify the module was not obtained from a like vehicle and installed into customer vehicle
  - return the swapped module to source vehicle and obtain new replacement module

Operate the system and determine if the observable symptom is still present.

Is the observable symptom still present?

Yes

GO to I8

No	The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

I8 CHECK FOR CORRECT OPERATION OF THE MODULE IN QUESTION

Ignition OFF.

Disconnect and inspect the module connector(s).

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

Reconnect the module connector(s). Make sure they (it) seat(s) and latch(es) 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 module in question. REFER to the appropriate removal and installation procedure.

No	The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST J: DTC (DIAGNOSTIC TROUBLE CODE) U0232:87, U0233:87

Normal Operation and Fault Conditions

The SODL and SODR communicate on the CAN . If messages are missing or not received from the SODL or SODR , features such as the side detection settings or warning chimes may not operate correctly.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
SODL U0232:87	Lost Communication With Side Obstacle Detection Control Module 'A': Missing Message	Sets in continuous memory when the SODL detects network messages are missing from the SODR for more than 3 seconds when the ignition is on.
SODR U0233:87	Lost Communication With Side Obstacle Detection Control Module 'B': Missing Message	Sets in continuous memory when the SODR detects network messages are missing from the SODL for more than 3 seconds when the ignition is on.

Possible Sources

Network communication concern
GWM
SODL
SODR

J1 VERIFY THE CONCERN

Ignition ON.

Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to J2

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

J2 CHECK THE NETWORK COMMUNICATION

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

Does the SODL and SODR pass the network test?

Yes

GO to J3

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

J3 CHECK THE SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Using a diagnostic scan tool, perform the SODL and SODR self-test.

Clear the Diagnostic Trouble Codes (DTCs).

Wait 10 seconds.

Repeat the SODL and SODR self-test.

Are any non-network Diagnostic Trouble Codes (DTCs) present?

Yes

DIAGNOSE all non-network Diagnostic Trouble Codes (DTCs). REFER to the DTC Chart in this section.

GO to J4

J4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (CMDTCs).

Are any non-network Diagnostic Trouble Codes (DTCs) present?

Yes

REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).

GO to J5

J5 RECHECK THE SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) DIAGNOSTIC TROUBLE CODES (DTCS)

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

Ignition OFF.

Ignition ON.

Wait 10 seconds.

Using a diagnostic scan tool,perform the continuous memory self-test

Check the SODL and SODR Diagnostic Trouble Codes (DTCs)

Are any lost communication Diagnostic Trouble Codes (DTCs) still present?

Yes

GO to J6

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.

J6 CHECK FOR OTHER CAUSES OF NETWORK COMMUNICATION CONCERN

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

Check the vehicle service history for recent service actions related to the GWM , SODL or SODR . If recent service history is found:
- verify correct replacement module was installed
  - vehicle parts build list may be used to verify correct part fitment
- verify the configuration of replacement module was correct
  - re-configure module using as-built data if prior configuration is suspect
- verify the module was not obtained from a like vehicle and installed into vehicle with concern
  - return the swapped module to source vehicle and obtain new replacement module

Operate the system and determine if the observable symptom is still present.

Is the observable symptom still present?

Yes

GO to J7

No	The system is operating correctly at this time. The concern may have been due to incorrect parts replacement procedures or incorrect module configuration.

J7 CHECK FOR CORRECT SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) OPERATION

Ignition OFF.

Disconnect and inspect the SODL connector.

Disconnect and inspect the SODR 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 SODL and SODR connector. 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 SODL or SODR . REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, 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 K: INVALID DATA RECEIVED

Normal Operation and Fault Conditions

When a module receives invalid network data from another module with a faulted input, an invalid data DTC is set.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
SODL U0401:86	Invalid Data Received from ECM/PCM A: Signal Invalid	This continuous memory DTC sets when the SODL receives invalid network data from the PCM . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the PCM and other modules on the network. If no PCM Diagnostic Trouble Codes (DTCs) exist, DIAGNOSE the observable symptom.
SODR U0401:86	Invalid Data Received from ECM/PCM A: Signal Invalid	This continuous memory DTC sets when the SODR receives invalid network data from the PCM . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the PCM and other modules on the network. If no PCM Diagnostic Trouble Codes (DTCs) exist, DIAGNOSE the observable symptom.
SODL U0402:86	Invalid Data Received from TCM: Signal Invalid	This continuous memory DTC sets when the SODL receives invalid transmission range network data from the TCM . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the TCM and other modules on the network. If no TCM Diagnostic Trouble Codes (DTCs) exist, DIAGNOSE the observable symptom.
SODR U0402:86	Invalid Data Received from TCM: Signal Invalid	This continuous memory DTC sets when the SODR receives invalid transmission range network data from the TCM . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the TCM and other modules on the network. If no TCM Diagnostic Trouble Codes (DTCs) exist, DIAGNOSE the observable symptom.
SODL U0415:86	Invalid Data Received from Anti-Lock Brake System (ABS) Control Module 'A': Signal Invalid	This continuous memory DTC sets when the SODL receives invalid network data from the ABS . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the ABS and other modules on the network. If no ABS Diagnostic Trouble Codes (DTCs) exist, DIAGNOSE the observable symptom.
SODR U0415:86	Invalid Data Received from Anti-Lock Brake System (ABS) Control Module 'A': Signal Invalid	This continuous memory DTC sets when the SODR receives invalid network data from the ABS . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the ABS and other modules on the network. If no ABS Diagnostic Trouble Codes (DTCs) exist, DIAGNOSE the observable symptom.
SODL U049A:86	Invalid Data Received From 'Door Control Module A': Signal Invalid	This continuous memory DTC sets when the SODL receives invalid network data from the DDM . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the DDM and other modules on the network. If no DDM Diagnostic Trouble Codes (DTCs) exist, DIAGNOSE the observable symptom.
SODR U0501:86	Invalid Data Received From 'Door Control Module B': Signal Invalid	This continuous memory DTC sets when the SODR receives invalid network data from the PDM . RETRIEVE and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in the PDM and other modules on the network. If no PDM Diagnostic Trouble Codes (DTCs) exist, DIAGNOSE the observable symptom.

Possible Sources

Signal input failure form another module
Suspect module

K1 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE MODULE SENDING INVALID DATA

Ignition ON.

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

Are any Diagnostic Trouble Codes (DTCs) present from the module sending the invalid data?

Yes

DIAGNOSE the module sending the invalid data. REFER to the appropriate section in the Workshop Manual.

No	DIAGNOSE the observable symptom present. REFER to the appropriate symptom chart in this section.

PINPOINT TEST L: DTC (DIAGNOSTIC TROUBLE CODE) U0533:62, U0534:62

Normal Operation and Fault Conditions

REFER to: Blind Spot Information System - System Operation and Component Description (419-04 Side and Rear Vision, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
SODL U0533:62	Invalid Data Received From Side Obstacle Detection Control Module 'A': Signal Compare Failure	This DTC sets when the stored VIN in the SODL does not match the VIN defined in the BCM . This may indicate that the original SODL is not installed in the vehicle or is not configured correctly. CARRY OUT the PMI (when the original module is not available) for the module in question as directed by the diagnostic scan tool.
SODR U0534:62	Invalid Data Received From Side Obstacle Detection Control Module 'B': Signal Compare Failure	This DTC sets when the stored VIN in the SODR does not match the VIN defined in the BCM . This may indicate that the original SODR is not installed in the vehicle or is not configured correctly. CARRY OUT the PMI (when the original module is not available) for the module in question as directed by the diagnostic scan tool.

Possible Sources

VIN mismatch

Diagnostic steps are not provided for this symptom or DTC. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

PINPOINT TEST M: DTC (DIAGNOSTIC TROUBLE CODE) U2100:00:, U2101:00, U2300:55

Normal Operation and Fault Conditions

When a replacement module is incorrectly configured or not configured, an incomplete configuration DTC is set.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
SODL U2100:00	Initial Configuration Not Complete: No Sub Type Information	This continuous memory DTC sets due to incomplete or incorrect SODL PMI procedures. CHECK the vehicle service history for recent service actions related to this module. If there have been recent service actions with this module, INSTALL as-built data. REFER to: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation). If there have been no recent service actions, INSTALL a new module to correct the failure to retain configuration data. REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).
SODR U2100:00	Initial Configuration Not Complete: No Sub Type Information	This continuous memory DTC sets due to incomplete or incorrect SODR PMI procedures. CHECK the vehicle service history for recent service actions related to this module. If there have been recent service actions with this module, INSTALL as-built data. REFER to: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation). If there have been no recent service actions, INSTALL a new module to correct the failure to retain configuration data. REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).
SODL U2101:00	Control Module Configuration Incompatible: No Sub Type Information	This continuous memory DTC sets due to incomplete or incorrect SODL PMI procedures. CHECK the vehicle service history for recent service actions related to this module. If there have been recent service actions with this module, INSTALL as-built data. REFER to: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation).
SODR U2101:00	Control Module Configuration Incompatible: No Sub Type Information	This continuous memory DTC sets due to incomplete or incorrect SODR PMI procedures. CHECK the vehicle service history for recent service actions related to this module. If there have been recent service actions with this module, INSTALL as-built data. REFER to: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation).
SODL U2300:55	Central Configuration: Not Configured	This continuous memory DTC sets when SODL does not detect the VIN information on the MS-CAN . RETRIEVE and REPAIR all non-network DTC in all other modules.
SODR U2300:55	Central Configuration: Not Configured	This continuous memory DTC sets when SODR does not detect the VIN information on the MS-CAN . RETRIEVE and REPAIR all non-network DTC in all other modules.
SODL U3002:62	Vehicle Identification Number: Signal Compare Failure	This DTC sets when the VIN stored in the SODL does not match the VIN that is broadcast on the network. CHECK the vehicle service history for recent service actions related to this module. If there have been recent service actions with this module, REPEAT the PMI procedure as directed by the diagnostic scan tool. REFER to: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation). If there have been no recent service actions, INSTALL a new module to correct the failure to retain configuration data. REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).
SODR U3002:62	Vehicle Identification Number: Signal Compare Failure	This DTC sets when the VIN stored in the SODR does not match the VIN that is broadcast on the network. CHECK the vehicle service history for recent service actions related to this module. If there have been recent service actions with this module, REPEAT the PMI procedure as directed by the diagnostic scan tool. REFER to: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation). If there have been no recent service actions, INSTALL a new module to correct the failure to retain configuration data. REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).

Possible Sources

Incomplete or incorrect PMI procedures.

Diagnostic steps are not provided for this symptom or DTC. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

PINPOINT TEST N: U3000:44, U3000:45, U3000:46, U3000:49

Normal Operation and Fault Conditions

The SODL and SODR set a control module failure DTC when an internal failure has been detected.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
SODL U3000:44	Control Module: Data Memory Failure	Sets when the SODL detects an internal fault. CLEAR the SODL DTC and REPEAT the self-test. If the continuous memory or on-demand DTC U3000:44 returns, INSTALL a new SODL . REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).
SODR U3000:44	Control Module: Data Memory Failure	Sets when the SODR detects an internal fault. CLEAR the SODR DTC and REPEAT the self-test. If the continuous memory or on-demand DTC U3000:44 returns, INSTALL a new SODR . REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).
SODL U3000:45	Control Module: Program Memory Failure	Sets when the SODL detects an internal fault. CLEAR the SODL DTC and REPEAT the self-test. If the continuous memory or on-demand DTC U3000:45 returns, INSTALL a new SODL . REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).
SODR U3000:45	Control Module: Program Memory Failure	Sets when the SODR detects an internal fault. CLEAR the SODR DTC and REPEAT the self-test. If the continuous memory or on-demand DTC U3000:45 returns, INSTALL a new SODR . REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).
SODL U3000:46	Control Module: Calibration/Parameter Memory Failure	Sets when the SODL detects an internal fault. CLEAR the SODL DTC and REPEAT the self-test. If the continuous memory or on-demand DTC U3000:46 returns, INSTALL a new SODL . REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).
SODR U3000:46	Control Module: Calibration/Parameter Memory Failure	Sets when the SODR detects an internal fault. CLEAR the SODR DTC and REPEAT the self-test. If the continuous memory or on-demand DTC U3000:46 returns, INSTALL a new SODR . REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).
SODL U3000:49	Control Module: Internal Electronic Failure	Sets when the SODL detects an internal fault. CLEAR the SODL DTC and REPEAT the self-test. If the continuous memory or on-demand DTC U3000:49 returns, INSTALL a new SODL . REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).
SODR U3000:49	Control Module: Internal Electronic Failure	Sets when the SODR detects an internal fault. CLEAR the SODR DTC and REPEAT the self-test. If the continuous memory or on-demand DTC U3000:49 returns, INSTALL a new SODR . REFER to: Side Obstacle Detection Control Module (SODCM) (419-04 Side and Rear Vision, Removal and Installation).

Possible Sources

SODL
SODR

Diagnostic steps are not provided for this symptom or DTC. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

PINPOINT TEST O: THE REVERSE BRAKE ASSIST IS INOPERATIVE OR DOES NOT OPERATE CORRECTLY

Normal Operation and Fault Conditions

The Traction Control System, CTA , Active Park Assist feature must be turned ON for Reverse Brake Assist feature to be operational. All vehicle doors must be closed.

Possible Sources

Communication concern
Parking aid system concern
ABS system concern
Open doors
Traction control off
Park assist system off
CTA system off
Trailer connected
Dirty rear parking aid camera

O1 CHECK THE REVERSE BRAKE ASSIST FOR CORRECT OPERATION

Verify the reverse brake assist feature not available warning is displayed in the message center

Possible cause:
- Check the reverse brake assist feature is activate
- Check vehicle service history if it was recently serviced where battery may have been disconnected
- Check if it is a new vehicle
- Check if traction control system is turned on
- Check the active park assist feature is turned on
- Check the CTA is enabled in the message center

Repair:
- Drive the vehicle straight on a flat/smooth road above 50 km/h (30 mph) with minimal driver steering input for 30 seconds.
- Turn on the Traction Control Switch
- Turn ON the Active Park Assist feature. If the system cannot be activated, REFER to the Symptom Chart in this section.
- ACTIVATE the CTA . If the system cannot be activated,
  REFER to: Blind Spot Information System (419-04 Side and Rear Vision, Diagnosis and Testing).

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

Is the concern still present?

Yes

GO to O2

No	The system is operating correctly at this time

O2 CHECK FOR BLIS (BLIND SPOT INFORMATION SYSTEM) , PCM (POWERTRAIN CONTROL MODULE) , IPMB (IMAGE PROCESSING MODULE B) , ABS (ANTI-LOCK BRAKE SYSTEM) AND BCM (BODY CONTROL MODULE) DTC (DIAGNOSTIC TROUBLE CODE) 'S

Verify if any BLIS , PCM , IPMB , ABS and BCM DTC 's are present.

Using a diagnostic scan tool, perform the BLIS , PCM , IPMB , ABS and BCM self-tests.

Are DTC 's present in any of these modules?

Yes

Diagnose all the DTC 's for the module in question.

GO to O3

O3 CLEAN THE REAR PARKING AID CAMERA LENS AND REAR PARK AID SENSORS

Clean and make sure the rear video camera lens and the rear park aid sensors are clear of any debris.

Ignition ON.

Test the reverse brake assist system for correct operation.

Is the concern still present?

Yes

GO to O4

No	The system is operating correctly at this time. The concern may have been caused by dirt or debris on the camera lens or the rear park aid sensors.

O4 VERIFY THE OPERATION OF THE PARKING AID AND ABS (ANTI-LOCK BRAKE SYSTEM) SYSTEM

Verify the parking aid and ABS systems operate correctly.

Do the rear park aid sensors and ABS systems operate correctly?

Yes

The system is operating normally at this time.

For a parking aid system concern,
REFER to: Parking Aid (413-13A Parking Aid - Vehicles With: Rear Parking Aid, Diagnosis and Testing). For an ABS system concern,
REFER to: Anti-Lock Brake System (ABS) and Stability Control (206-09 Anti-Lock Brake System (ABS) and Stability Control, Diagnosis and Testing).

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S..

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