Location: Reputation: 0. #1. 04-08-2011, 06:22 PM. I am in the process of fitting an after market central locking system to my 51plate Multispace. The front doors are done and working faultlessly and now I am on to the rear doors and tailgate. I notice that Citroen appear to have fitted the wiring to the pillars of the sliding doors blanking I bought my July 2005 Berlingo Multispace a month ago (M59 2.0 Hdi). The central locking will not unlock, but it locks perfectly. I took the car to the local Citroen dealership who, after having it for a day, said they could not find the fault, but suggested it was faulty wiring to or from the BSI. Citroen Relay central locking issue I have a 2012 Citroen Relay and the central locking is not working from the key fob. All doors lock/unlock from the dashboard button. I've changed the battery in the fob and they confirmed the fob was giving out a signal. The fuse also looks fine. Any ideas what else I might be able to check? Recently (June 11th 2017) the central locking system on my Citroen C3 exclusive (sensodrive) stopped functioning properly. The rear doors (back seat doors) stayed completely shut, both from the inside and outside. The passenger door in the front could only be opened form the inside and the driver seat door could only be opened manually with the First, we turn on the vehicle's dashboard. Then, we press the button with the vehicle icon located next to the central display to open the menu. Next, we select the tire pressure initialization option and finally confirm it. Before performing this operation, make sure that all four tires have the correct pressure as indicated by the manufacturer. Try a good work-out with plenty WD40 - squirt in the lock, run the key in and out; repeat until you can feel the pins running over the key serrations. Wipe the key really thoroughly before you fold it back into the plipper! Old-Guy wrote: repeat until you can feel the pins running over the key serrations. So this is a Citroen Berlingo 2 year 2009 , 1.6 Manual Petrol. It has been sitting for about 1 year. Im using the Lonsdor K518 ISE to program the keys into Press and hold down the lock button on the key for 10 seconds. Check the central locking system by unlocking and locking the door consecutively. Turn the engine on again and finish inspecting the system. Following any other procedure could cause malfunctioning of different units which depend on BSI. Method for unplugging the battery: PUzh.