2012 Audi A6 Electrical system Problems
- Complaints
- 13about this part
- Share
- 22%of 60 total for the year
- Median mileage
- 70,705miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 13 complaints about the electrical system of the 2012 Audi A6, 22% of the 60 complaints for this model year. Where a mileage was given, the median is 70,705 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“My mil ( malfunction indicator lamp ) came on, in my Audi A6 2012 on 1/21/18. I made an appointment with my Audi dealership on 1/31/18. I was informed that my trans coolant valve was leaking into a wiring harness. They replaced my n509 valve and wiring connector. I found a technical service bulletin regarding this problem in my car as well as other Audi models. There was a recall for this in Audi a8 2010-2013. …”
NHTSA complaint #11066897, filed 2018-02, 75,410 miles“Ran obd reader myself and at mechanic and found the following; p0456 evap emission control system (very small leak) | leak detected and p190f00 coolant pump for charge pressure cooler | electrical malfunction in load circuit. Mechanic informed that the vehicle needs a software update regarding the p0456 code as no leak was found. Also that only Audi performs this update. …”
NHTSA complaint #11317923, filed 2020-03, 122,000 miles“O-ring failure in 2012 A6 3.0 caused the transmission to internally leak fluid causing the electonic system to go bad. All of the following lights came on when issue started. Check engine light gearbox mil trac control mil epc light airbag mil hi-speed cooling fan mil tire pressure warning light the transmission would not shift, major lack of power to engine. Parking brake would also activate by itself.”
NHTSA complaint #10721255, filed 2015-05, 62,000 miles“Was told by Audi south orlando that a water valve seaped coolant through the connector up through the wiring and into the trans control module causing it to burn out causing a 14,000.00 catastrophic failure.”
NHTSA complaint #11322857, filed 2020-04, 117,000 miles“Windshield wipers ceased to work creating dangerous situation. Dealer denied express warranty claim. Wiring on wipers was so flimsy as to apparently allow a mouse to chew through coating. Dealer charged over $640. To replace a $20 wire. Several e-mails and calls to Audi of america did not bring any action.”
NHTSA complaint #10668224, filed 2014-12, 22,232 milesRelated service bulletins
- 11034643Jun 23, 2026This bulletin provides information when there are noises from the area around the instrument cluster.
- 11034634Jun 23, 2026This bulletin provides informationwhen noises/vibration are detected from front of vehicle in dynamic mode.
- 11031053Mar 26, 2026This bulletin provides informaiton regarding the Universal Traffic Recorder.
- 11031051Mar 20, 2026This bulletin provides informaiotn about various infortainment system complaints.
- 11030985Mar 17, 2026This bulletin provides information when the parking assistance gives false warnings.
- 11030984Mar 2, 2026This bulletin provides information when the parking assistance gives false warnings.
- 11029370Feb 17, 2026This TSB provides information when there are noises from the area around the instrument cluster.
- 11028446Jan 22, 2026This bulletin provides informaiotn when there are noises from the headliner.
- 11028448Jan 21, 2026This bulletin provides information regarding contact checks for event memories, intermittent.
- 11028397Jan 5, 2026This bulletin provides information when the anti-theft alarm activates for no reason, or does not activate.
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 5 | 71% |
| 2025 | 2 | 33% |
| 2021 | 11 | 61% |
| 2020 | 18 | 69% |
| 2019 | 84 | 74% |
| 2018 | 1 | 9% |
| 2017 | 2 | 10% |
| 2016 | 8 | 16% |
| 2015 | 3 | 14% |
| 2014 | 2 | 5% |
| 2013 | 7 | 13% |
| 2012 | 13 | 22% |
| 2011 | 3 | 14% |
| 2010 | 2 | 12% |
| 2009 | 1 | 5% |
| 2008 | 7 | 10% |
| 2007 | 6 | 11% |
| 2006 | 13 | 19% |
| 2005 | 16 | 18% |
| 2004 | 3 | 9% |
| 2003 | 14 | 21% |
| 2002 | 15 | 17% |
| 2001 | 14 | 12% |
| 2000 | 36 | 24% |
| 1999 | 37 | 17% |
| 1998 | 8 | 6% |
| 1997 | 14 | 70% |
| 1996 | 38 | 75% |
| 1995 | 10 | 63% |
Other parts of the 2012 Audi A6
15 complaintsEngine
13 complaintsFuel system
11 complaintsTransmission and drivetrain
8 complaintsSteering
6 complaintsBrakes
3 complaintsElectronic stability control
3 complaintsEngine cooling
3 complaintsForward collision avoidance
2 complaintsOther or unknown
2 complaintsBody and structure
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaints
← All problems reported for the 2012 Audi A6
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology