Other information:
Diagnostic Trouble Code (DTC) Chart
Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
Module
DTC
Description
Action
BCM
B12F4:12
Vehicle Speed Output: Circuit Short To Battery
GO to Pinpoint Test A
BCM
B12F4:14
Vehicle Speed Outp..
Special Tool(s) /
General Equipment
Air Conditioning Service Unit
Check
NOTICE:
Motorcraft® R-1234yf Refrigerant POE Oil (YN-34) only must
be used as a refrigerant system lubricant for High Voltage Battery
Electric vehicles. Addition of any oil other than Motorcraft® R-1234yf
Refrigerant POE Oil (YN-34) to the High Voltage Battery Electric vehicle
refrigerant system will damag..