DTC C1A18-64: Pressure Increase Too Rapid When Filling Reservoir - Signal plausibility 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.
- Check the reservoir pipes for correct routing and installation. Repair/renew as required, clear the DTCs and retest
- Refer to the Jaguar Land Rover Approved Diagnostic Equipment for corner, reservoir and exhaust valve checks. Check the corner valve for leaks. Repair/renew as required, clear the DTCs and retest
- If the fault persists, install a new rear valve block as required