DTC B124B-85: Left Daytime Running Light - Signal above allowable range: Action
WARNING: This page is about a different car, the 2021 Land Rover Range Rover and 2020 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
To validate the repair firstly run the engine for 30 seconds and check the left daytime running lamp 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 headlamp LIN bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary