DTC B1D17-87: Battery Backed Sounder - Missing message: Action
NOTE:
To validate the repair attempt to lock the vehicle with a side door ajar and listen for the error tone emitted from the battery back-up sounder, then using the Jaguar Land Rover approved diagnostic equipment check that this DTC is not logged within the body control module
- Refer to the electrical circuit diagrams and check the battery back-up sounder power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary
- Refer to the electrical circuit diagrams and check the battery back-up sounder LIN bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. If the fault persists, install a new battery back-up sounder