DTC B108B-23: Start Button Circuit "A" - Signal stuck low: Action

NOTE: To validate the repair run the engine for at least two minutes, then 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 logged

Test the operation of the stop/start switch
Refer to the electrical circuit diagrams and check the stop/start switch circuit 1 for short circuit to ground. Repair circuit as required, clear DTC and retest
If fault persists, check and install a new stop/start switch as required