DTC B1A78-14: Front Fog Lamp - Circuit short to ground or open: Action

NOTE: To validate the repair use the Jaguar Land Rover approved diagnostic equipment to perform the routine - On Demand Self Test. If the repair is successful this DTC will no longer be set within the body control module. Alternatively run the engine for 30 seconds and check the front fog lamp function, then use the Jaguar Land Rover approved diagnostic equipment to check this DTC is no longer set within the body control module

Refer to the electrical circuit diagrams and check the front fog lamp relay circuit for short circuit to ground, open circuit, high resistance. Repair the wiring harness as necessary