DTC C1B11-28: Pressure Control Valve - Signal bias level out of range/zero adjustment failure: 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.
- Refer to the appropriate system wiring diagrams and check the pressure control valve circuit, harness and connectors for short circuit to another circuit. Repair circuit as required, Clear the DTCs and retest
- If the fault persists, install a new dynamic response control module. Clear the DTCs and retest