DTC B1C38-23: Master Unlock Switch - Signal stuck low: Action
WARNING: This page is about a different car, the 2018 Land Rover Discovery and 2017 Land Rover Discovery. 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 left and right front door lock switch function, then use the Jaguar Land Rover approved diagnostic equipment to check this DTC is no longer logged within the body control module
- Check the operation of the front left central door locking unlock switch. Free the stuck switch or install a new front left central door locking unlock switch as necessary
- Check the operation of the front right central door locking unlock switch. Free the stuck switch or install a new front right central door locking unlock switch as necessary
- Refer to the electrical circuit diagrams and check the front left central door locking unlock switch signal circuit for short circuit to ground. Repair the wiring harness as necessary
- Refer to the electrical circuit diagrams and check the front right central door locking unlock switch signal circuit for short circuit to ground. Repair the wiring harness as necessary