2012 Audi A6 electrical system problems
13 owner complaints filed with NHTSA name the electrical system on the 2012 Audi A6 — 22% of all complaints for this model year.
What owners report
“This needs to be heavily looked into. I see countless reports online and on NHTSA about "coolant" leaking onto components/wiring. Whatever it is, is definitely frying the electrical system. My info screen will state: "Transmission Malfunction: You can continue driving" and it'll go away a minute…”
filed May 27, 2022
“I took my vehicle to repair for 2 recalls on 2/22/21, the next day 2/23/21 they called me telling me that I have to pay $ 550.00 for the repair. According to downtown audi tech the ecu of my vehicle is defective because they cannot communicate with the vehicle's computer, before taking the vehicle…”
filed Feb 24, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This bulletin provides information when there are noises from the area around the instrument cluster.
TSB_2059335_7 · Service Bulletin/Repair Instructions · issued Jun 23, 2026This bulletin provides informationwhen noises/vibration are detected from front of vehicle in dynamic mode.
TSB_2074729_3 · Service Bulletin/Repair Instructions · issued Jun 23, 2026
Electrical System problems in other A6 years
| Year | Reports | Share |
|---|---|---|
| 2020 A6 | 17 | 71% |
| 2019 A6 | 84 | 74% |
| 2017 A6 | 2 | 10% |
| 2016 A6 | 8 | 16% |
| 2015 A6 | 3 | 14% |
| 2014 A6 | 2 | 5% |
| 2013 A6 | 7 | 13% |
| 2011 A6 | 3 | 14% |
| 2009 A6 | 1 | 5% |
| 2008 A6 | 7 | 10% |
| 2007 A6 | 6 | 11% |
| 2006 A6 | 13 | 19% |
Other reported problem areas on the 2012 Audi A6
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.