DTC B124B-4B: Left Daytime Running Light - Over temperature: 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.

Allow the system to cool. Using the Jaguar Land Rover approved diagnostic equipment, inspect for any Diagnostic Trouble Code(s) that may cause an over temperature event, rectify as necessary. When complete clear the Diagnostic Trouble Code(s) and retest. If the fault persists, install a new left headlamp assembly