DTC B1C43-23: Master Interior Light Switch - Signal stuck low: Action
WARNING: This page is about a different car, the 2023 Jaguar F-Pace and 2022 Jaguar F-Pace. 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 120 seconds and check the interior light switch 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 electrical circuit diagrams and check the interior lamp switch signal circuit for short circuit to ground. Repair the wiring harness as necessary
- Check the operation of the interior lamp switch. Rectify as necessary