Hi!
Joined the forum as I've recently replaced the old Audi with a new Audi! I've gone from a '02 Audi A3 1.9 TDi 130 to a '07 A6 Allroad quattro. It's a Hell of a upgrade!
... and it's broken.
So I'm here to hopefully look for some answers as googling has brought me plently of information but more questions than answers. Hopefully this post can help anyone else googling for the answers in future too.
What's happening; (tl:dr short version - warning lights sometimes, car won't start, trying again helps)
When putting in the key but before cranking over a number of waring signs come up. They come up in this order - ESP Fault (sometimes) , Brake Fault, Parking Brake Malfunction, Headlight range control defective (I've added pictures for guidance). When attempting to start the engine turns over but gives up and does not start. If attempting to pull the keys in and out a couple times it then starts up just fine. The keys need to be fully removed for it reset again.
To try to combate the problem I checked and replaced the battery incase low voltage was the issue. This was a good idea as the battery was old but it didn't fix the issue.
I then took the car into a garage and they checked and cleaned the ABS sensors which seemed to help but now the problem is back. What's my next port of call? The internet seems to believe it's an ABS sensor or parking control module, ECU or other. Can anyone suggest how to proceed? I'll update with pictures of my adventures for future generations.
But shortly before the problems began I installed a bluetooth converter to the MMI 2G High system so I'm happy to answer questions about that if anyone hasn't given it a go yet.
Glad to be here and hello! Ben