DTC C1A18-64: Pressure Increase Too Rapid When Filling Reservoir - Signal plausibility failure: Action
- 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