Xsara Picasso central door locking problem

The central locking on my 15 year old Citroen Xsara Picasso has stopped working. The dash button doesn't lock the doors and the key only seems to lock the front doors. Can you offer any suggestions?

Asked on 28 April 2015 by Neil1874

Answered by Honest John
I'd guess that one of the door lock servos stuck and blew the fuse. Go round all the doors with a can of WD40 and the nozzle extension tube. Use it to attempt to disperse any moisture on the lock servos, gaining access either by removing access plugs in the doors (if there are any) or by lowering the windows. Then replace the fuse, cross your fingers and hope it works.

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