B1B56-87 Sunroof Module - Missing message: Action
- Refer to the appropriate SYSTEM WIRING DIAGRAMS information and check the roof opening panel control module power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary
- Refer to the appropriate SYSTEM WIRING DIAGRAMS information and check the roof opening panel 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 roof opening panel control module