While you wait for answers, we may have found some information which could help you.
Click here for Door Citroen Dispatchcitroen dispatch oil level fault?
Citroen Dispatch 1.9 d in limp mode?
Battery drain (or alternator or electrics?) on Citroen Berlingo 2008?
Wiring to relay between fuse and starter motor?
Citroen Berlingo 1.6 hdi will not start. ?
Citroen Berlingo 1.6 hdi will not start with key?