Other information:
System Operation
Body Control Module (BCM)
The BCM controls various systems by monitoring inputs from switches,
sensors and network messages from other modules on the HS-CAN1 and from
the GWM . Based on the inputs received, the BCM activates outputs. For
example, the BCM monitors the headlamp switch position. Based on this
input, the BCM may provide voltage to the exterior lamps.
Batter..
DTC Chart: HVAC Module
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).
HVAC Module DTC Chart
DTC
Description
Action
B1C83:12
Rear Defog Relay: Circuit Short to Battery
..