DTC B1C37-23: Master Lock Switch - Signal stuck low: Action
- Refer to the electrical circuit diagrams and check the front left door central door locking lock switch circuit for short circuit to ground
- Refer to the electrical circuit diagrams and check the front right door central door locking lock switch circuit for short circuit to ground
- Check the operation of the front left door central door locking lock switch
- Check the operation of the front right door central door locking lock switch