Hello everyone i have a 2004 1.9jtd central locking won't always stay locked,usually unlocks straight after i have locked it,carried out switch mod to no avail,i have delphi ds150 when its plugged into the doblo its telling me both sliding doors are open,done a continuity check on wiring,checks out,doesn't mean i don't have a short,switches check out,removed bsi all connections clean and tight,earlier on had laptop plugged in engine not running i was watching sliding doors going from closed to open,flicking between the two noone was touching van,can't find wiring diagram,even autodata doesn't have one,also can't see any water damage on bsi,if anyone has any ideas they would be greatly apprieciated,next stop will be to tear out entire loom to check it all,would rather not i might add!!

I have managed to find a wiring diagram will keep you all posted once i get to the bottom of it!