Yesterday, in the rain, I moved off and an alarm and a message, "Distance System fault" or something very similar- popped up briefly. I do have the Active Cruise control on all the time, and my dealer has updated the cruise control unit software and recalibrated it in the past- but it hasn't fixed the problem. A big thanks to lancexxx2k off Ebay for providing the diagnostic equipment for this car.Citroen C4 grand picasso suspension failure and investigation.In this 5mph message on dash - get new air springs ASAP suspension down - fit them emergency valves ASAP and also disconnect the power lead to the compressor (2 wire connector) and get new air springs ASAP (you will get message FAULTY SUSPENSION) also get diagbox (lexia 3) if you are doing repairs yourself U1313 - Fault in the reception of the partial triggering message by the built in systems interface U2219 - Transmission of the partial wake up message by the electric parking brake fault : coherence U1113 - Fault absence of communication with the stability control esp ECU no signal. Cheers, John. wEBrc5U.