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..
NOTE:
The engine running diagnostic mode is a hybrid powertrain
control module strategy which is separate from the normal operating
strategy. The specifics described here are applicable only to the
power-split hybrid variants. When in this mode, the engine is running
and does not turn off, as it does during normal operation. The engine
RPM may be increased to the desired speed as the vehicl..