DTC B1C37-23: Master Lock Switch - Signal stuck low: Action
WARNING: This page is about a different car, the 2019 Land Rover Range Rover Sport. 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 set within the body control module
- Check the operation of the front left central door locking lock switch. Free the stuck switch or install a new front left central door locking lock switch as necessary
- Check the operation of the front right central door locking lock switch. Free the stuck switch or install a new front right central door locking lock switch as necessary
- Refer to the electrical circuit diagrams and check the front left central door locking lock 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 lock switch signal circuit for short circuit to ground. Repair the wiring harness as necessary