DTC P186A-13: Differential Lock-up Actuator Brake Control Circuit/Open - Circuit open: 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.
NOTE:
After installing a new rear differential control module, differential locking motor or electric differential, clear the DTCs and calibrate the system by performing routine - On Demand Self Test.
- Inspect the differential locking motor connectors for signs of water ingress and pins for damage and/or corrosion
- Refer to the appropriate service information and check the differential locking motor brake circuit for open circuit, high resistance. Repair the wiring harness or install a new differential locking motor as necessary
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and perform routine - On Demand Self Test
- If the fault persists, install a new differential locking motor
- If the fault persists, install a new rear differential control module