DTC C1048-28: Safety Control Valve - Signal bias level out of range/zero adjustment failure: 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 dynamic response safety control valve circuit, harness and connectors (positive or negative) for short circuit to another circuit. Repair circuit as required, Clear the DTCs and retest
- If the fault persists, check and install a new dynamic response control module