B14D8-53: Left Trailer Position Lamp - Deactivated: Action

NOTE:

This DTC may be set by a fault within the trailer.
The outputs on the TBCM 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 left side 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 DTCs and retest