B103C-86 - Left Headlamp Control - Signal invalid: Action
- Refer to the appropriate SYSTEM WIRING DIAGRAMS information and check the left headlamp assembly 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 headlamp 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 left headlamp assembly