DTC B1D03-23: Right High Beam Circuit - Signal stuck low: Action
NOTE:
To validate the repair firstly run the engine for 30 seconds and check the right headlamp high beam function, then use the Jaguar Land Rover approved diagnostic equipment to check this DTC is no longer set within the body control module
- Refer to the appropriate system wiring diagrams and check the right headlamp high beam circuit for short circuit to power, short circuit to ground, open circuit, high resistance. Repair the wiring harness as necessary
- Refer to the appropriate system wiring diagrams and check the right headlamp LIN bus circuit for short circuit to power, short circuit to ground, open circuit, high resistance. Repair the wiring harness as necessary
- Using the Jaguar Land Rover approved diagnostic equipment, clear the Diagnostic Trouble Code(s) and retest. If the fault persists, install a new right headlamp assembly