DTC B1543-87: Front Seat Switch Pack - Missing message: Action
- Refer to the appropriate SYSTEM WIRING DIAGRAMS and check the seat switchpack power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary.
- Refer to the appropriate SYSTEM WIRING DIAGRAMS and check the 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 seat switchpack.