While you wait for answers, we may have found some information which could help you.
Click here for Rear Brake CitroenCitroen Berlingo 1.6 hdi will not start. ?
central door locking on Citroen Dispatch van not working properly?
Servo ?
Citroen dispatch rear door lock issue?
Battery drain (or alternator or electrics?) on Citroen Berlingo 2008?
How can I fix my central locking?