Possible Causes
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:
Circuit reference - IGN -
- Rear differential control module not configured correctly
- Rear differential control module connector is disconnected, connector pin is backed out, connector pin corrosion
- Ignition signal circuit short circuit to ground, short circuit to power, open circuit, high resistance