Morning all,

I hope some one can help me, my Daughter has just purchsed an A4 2003 all is fine apart from the off side rear passenger door will not lock, all the other doors do. I have been told my two different people that it could be the window regulator? or the micro switch on the door I have spoken to our local Audi main dealer who said it could be the micro switch. Has anyone any ideas or should I just take it to Audi and let them fix it?.

Thanks for you help.

Martin

Sounds plausible to me. Since the other doors work fine, it's not the main vacuum pump that lives in the trunk. So the micro switch could definitely be the problem.