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 A central locking issue resolved View next topic
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Brand New, Welcome :)

Car: S6 (C5)

Joined: 05 Dec 2016
Posts: 25

Location: Surrey/ Sussex/ Kent borders

PostPosted: Sat May 27, 2017 4:30 pm  Reply with quoteBack to top

After recently buying my S6 saloon, I had a minor c/l problem which was more of an irritant than a real problem, although worrisome in that it could have resulted in my being locked out of the car of course ( which would certainly  have caused some real inconvenience and embarrassment!)

What was happening was that the doors and boot would lock unexpectedly and randomly and when the fault codes did not pinpoint the issue,  I spoke to an Audi specialist who explained that this sort of issue was often only resolved by a process of elimination. E.g. Start with the door module and then try something else. Since this could clearly work out as quite an expensive and lengthy process I sought further advice from a mechanic friend.

He noticed that the fault occurred almost always when the boot was opened and then discovered that he could cause it to happen when he jiggled with wiring loom on the boot lid.

So it was decided to carefully split open the loom with a Stanley knife to expose the wiring and what was revealed is shown below but basically out of the 10 wires there were 2 completely broken, one being an earth and was undoubtedly touching the other 5 that had wires exposed. So just 3 were still wonder it had been causing issues!

Solution was to use quality insulation tape to cover and strengthen the exposed wires, and then solder and shrink wrap the two broken ones before refitting it all back into the main loom cover and taping that up to prevent any water ingress.

I suspect that this s a design flaw as the wear was clearly caused over time  by the repeated movement of the loom with the opening/ closing of the boot.

Anyway, although it's only one kind of c/l fault, I do hope this helps anybody who might have this particular issue![/img]

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