2013 CITRON C4 CENTRAL LOCKING SYSTEM WILL NOT WORK AFTER NEW BATTERY. Read full answer. Be the first to answer Feb 20, 2018 • Cars & Trucks. 0answers. Hi ssbomb, regarding getting the old ones off, a good Citroen dealership might be able to help - I had the same problem with a C3 Aircross where the locking nut had gone missing (and I didn't have the code to order a replacement), but Wilmoths (Battle, E.Sussex), managed to get them off and didn't charge me any extra above the price for the 31-05-14 13:17. Check the wiring in the tube where it passes from the car to the door (between the door hinges). There may be a broken wire in there. 0. RAC Forum - Hello when i close my front passenger door the car locks itself. ( If the key is in the ignition and ignition on, the car does not lock). Anyone have any. 1 - Switch off the ignition and take out the key. 2 - Wait 1 minute without pressing the buttons of any remote control. 3 - Place the key of the high frequency remote control to be synchronised in position "ignition+". 4 - Within 10 seconds, press the locking button for 5 seconds. Many thanks for that, I'll check for air leaks to the induction system tomorrow. As for injector coding, I think I mentioned that the codes were all mixed up originally (suggesting someone had been swapping injectors but failed to update the coding) I have now done this and think it did marginally improve matters but the basic problem is still there. If you have both keys you can turn the ignition on with one key and lock the doors then unlock them with the key and it resets it all.it worked for me .good luck. mossy2432. Wed Oct 17 2018, 01:06pm. Member No: #36480. Joined: Jul 16 2014. Location: bilston. Before removing the heater switch on this 2006 citroen hdi I would first have the blower motor checked and the most common reason for this and other blower problems would be the blower resistor. Your blower works on and off at times, first locate the blower motor and the resistor. the blower motor is located on the heater box, look under the Citroen C3: central locking no longer works at all . It's a dysfunction that is super unpleasant. The central locking of the Citroen C3 does not work at all. The basis of the dysfunction is not easy to detect. We will therefore see the most common concerns. Changing fuses on your Citroen C3 . The malfunction could come from a fuse wire rack. It Something worth trying if you have a problem with the door locking/unlocking on the keyless entry. I have a 14 reg C4 Picasso exclusive plus and last year the touch lock on the drivers side stopped working, although the passenger side still worked, and all was ok with the remote. Hello guys While installing my pioneer stereo yesterday to my C4 Picasso i blew the radio 20A fuse. I replaced it but now my remote central locking will not work, the time/date keeps resetting after every ignition and sometimes the wipers turn on when i start the car even though they are in the off position. Z8HR.