DTC B1DC1-77: High Pressure Refrigerant Control Valve 4 - Commanded position not reachable: Action
WARNING: This page is about a different car, the 2018 Land Rover Discovery and 2017 Land Rover Discovery. However, it is still accessible from the selected car via links, so may be relevant.
- Check the high pressure refrigerant control valve for obstructions. Rectify as necessary
- Using the Jaguar Land Rover Approved Diagnostic Equipment, clear the DTCs and retest. If the fault persists, install a new high pressure refrigerant control valve 4 as necessary