DTC B12EF-53: Trailer Fog Lamp - Deactivated: Action

NOTE:

This DTC may be set by a fault within the trailer
The outputs on the tow bar control module can only be reactivated twice. If an output has been deactivated three times, the module will have to be replaced to restore functionality

Refer to the electrical circuit diagrams and check the trailer fog lamp circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Using the Jaguar Land Rover approved diagnostic equipment, perform routine - Enable Protected Outputs (0x205E). Clear the Diagnostic Trouble Code(s) and retest