Hi This problem started a couple of days ago. As far as I can understand there was nothing that happened to cause it. The remote central locking does not work. I have abserved that the battery light stays on and flashes for a minute or two after taking the key out of ther ignition. The internal central locking button works fine.
All the wires to the tailgate go through the rubber tube so possibly a few of them have broken or maybe just the earth wire. This is from the C4 Technical section Common Problems pinned topic and it may be worth contacting your Citroen dealer in case they may do the repair free of charge: 13. Tailgate electrical faults - rear wiper, lock.
I can confirm that's the correct part number. 9138 T6 - SALOON - 5 Door - Right Rear Hinged Door Lock with Deadlock, Automatic Central Locking and Electric Rear Child Lock. £70.25 + VAT = £82.54 is the recommended dealer price (before any C4 Prem Mem discount). Thanks Big John, but I need the left rear one.

2.1-Operation of the central locking system on Citroen Grand C4 Picasso. The purpose of central locking is to synchronize the closing of the doors and boot with a single action. This is very practical to ensure that your vehicle is closed, especially from a distance. However like any technology it could have problems. 2.2-Possible repairs of a

Matija83. Wed Apr 08 2020, 09:50am. Member No: #43153. Joined: Jan 02 2016. Location: Gospic. I have an C4, 2012, 1.6 VTI 120HP. I have a problem while driving, car says front left door opened, and the door is closed. it happens especially in corners. So, I assume faulty door closed sensor. Where is the sensor location, or what is the problem. Hi folks Hit a bit of a snag with the wife's car. Had to disconnect the battery while doing some work on the car last week. After finishing the work I discovered a problem, which I can only assume is caused by incorrect disconnection of the battery, in turn causing a corruption of the BSI. R3xYy. 321 330 111 248 375 449 113 443 467

citroen c4 picasso central locking problems