DTC C1A27-12: Compressor Circuit - Circuit short to battery: Action
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, 2016 Land Rover Range Rover, 2015 Land Rover Range Rover, and 2014 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
- Refer to the appropriate system wiring diagram and check the air suspension air supply unit isolation relay circuits for short circuit to ground. Repair circuit(s) as required, clear the DTCs and retest
- Refer to the appropriate system wiring diagram and check the air suspension air supply unit isolation relay high current terminals for short circuit to one another. Repair circuit (s) as required, clear the DTCs and retest
- If the fault persists, install a new air suspension air supply unit isolation relay. Clear the DTCs and retest
- If the fault persists, refer to the appropriate system wiring diagram and check the air suspension air supply unit isolation relay circuits and terminals for short circuit to ground. Repair circuit(s) as required, clear the DTCs and retest
- If the fault persists, install a new air suspension air supply unit isolation relay. Clear the DTCs and retest