Pump failure 1 (monitor line)Pump failure 3 (pump sticking)
Shuttle valve switch failure


These have come up on my diagnostic tester, I have cleaned all the connectors and tried clearing the codes but unable to clear, took the pump off and sent it away to be tested come back faulty and couldn't be fixed, mate found a new one plugged it in and has come up with the same faults, tried clearing with two testers and disconnecting the battery, checked all the fuse's but no good, does it need to go to main dealer to be programmed and cleared? hope someone can help, many thanks.

Had the same codes did the shuttle valve mod took me about 10 mins no need to take the pump out