OBD Connector Issue

[Huw Powell]

Good point - neighbor's GTI thing was never solved properly (there was a 
grey wire that was supposed to not be connected, but it didn't fix 
things).  So once a year he unplugs the stereo to make the OBD work for 
the state inspection.

Tony Hoffman wrote:
> First question is, is there an aftermarket stereo in the car? Ran into
> that more than once on the later model German cars. The problem is in
> the adapter between the stereo and the factory connector. Trace one of
> the feed wires (blue, I think) and you will see where it goes to two
> connectors. Cut it, and the problem vanishes. The connector
> manufacturer did that so it would work for several cars.
> 
> Tony
> 
> On Fri, Mar 6, 2009 at 10:20 PM, mkb <mkb125 at yahoo.com> wrote:
>> Ok Folks,
>>
>> First issue for me on the 99 A6 28q Avant.  Took it for an emissions test but the emissions guy was unable to get the analyzer to communicate with the OBD.  He suggested I take it to another station and try someone who is running a different analyzer.  So I did that and the tech there said that he sees a comm channel open between the analyzer and the car but nothing else.  Can't get a reading though.  I have access to a friends VAG-COM which I'll try hooking up tomorrow but was wondering if anyone had encountered such an issue before.
>>
>> Any BTDT out there?
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-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/