2004 Audi A6 Electrical system Problems
- Complaints
- 3about this part
- Share
- 9%of 35 total for the year
- Median mileage
- 84,824miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the electrical system of the 2004 Audi A6, 9% of the 35 complaints for this model year. Where a mileage was given, the median is 84,824 miles. 1 a fire, according to the filers. 2 recall campaigns on record are filed under a similar system.
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.
“Upon turning the key in the ignition, a loud pop was heard and smoke began to escape from under the hood. After opening the hood it appeared that the battery had in some way exploded.”
NHTSA complaint #10277358, filed 2009-07, 75,000 miles“The contact owns a 2004 Audi A6. The contact stated that while driving 65 MPH, that there was a failure in the electric harness under the passenger seat. The contact stated that he noticed a burning odor and then the power failed to move the seat. Upon further review, the contact discovered that the carpet under the seat was singed and had melted some plastic under the seat. The vehicle was taken to the contact's personal mechanic where he was informed that the vehicle posed a safety hazard and should not be driven. …”
NHTSA complaint #10459296, filed 2012-05, 94,648 miles“Aftermarket radio: pioneer electronics avh-4100 nex backup camera fails and distracts driver significantly. I have attached a scan of the complaint to pioneer electronics. The radio likely has software defect that causes very distracting failures when operating the back-up camera. Pioneer advertises that this backup camera works as advertised - it is actually now a distraction and hazard. As well, operating google android auto causes more significant driving distractions when using the backup camera function of the avh-4100. Complaints to pioneer electronics have been fruitless. …”
NHTSA complaint #11010494, filed 2017-07Related recalls
- 06V198000Jun 5, 2006On certain passenger vehicles equipped with halogen low beam headlights, certain connector pins in the headlight switch connector come into contact with each…Covers: Audi A6 1998–2004, Allroad 2001–2005
- 04V133000Mar 18, 2004On certain passenger vehicles, if a driver's knees push against the knee bolster (crash element) located under the dashboard, it can contact the headlight…Covers: Audi A6 1998–2004, S6 1998–2004, Allroad 2001–2004 +1 more
Related service bulletins
- 10166284Sep 17, 201900 Software Version Management (SVM), operating instructions
- 10164518Aug 28, 2019This communication is issued to inform dealers of updated shipping regulations related to lithium ion batteries.
- 10161670Jun 18, 2019This bulletin contains general software update instructions for vehicles with PR Code 7UH. 2016-2020 A3, 2016-2020 A3 Cabrio, 2016 A3 Sportback, 2016-2020 A4, 2016-2020 A4…
- 10127949Aug 21, 2017This informational bulletin contains resource information for when the traffic feature is inoperative in the MMI navigation.
- 10128205Mar 23, 2017This informational bulletin contains instructions for sychronizing the remote key after the battery has been disconnected or replaced.
- 10123775Sep 21, 2015Supersedes Technical Service Bulletin Group 96 number 13-67 dated July 10, 2013. The customer may report that the handheld transmitter cannot be programmed to the garage door…
- 10120832Jun 29, 2015Supersedes Technical Service Bulletin Group 91 number 14-50 dated July 10, 2014. Customer may report that cracking, grinding, rattling, humming, whining, or similar interference…
- 10120052May 29, 2015Supersedes Technical Service Bulletin Group 97 number 10-15 dated October 20, 2010. Sporadic fault memory entries are stored in various control modules. Contacts may be widened…
- 10119956Mar 20, 2015Supersedes Technical Service Bulletin Group 91 number 14-69 dated November 4, 2014. The following message appears on the MMI display: "Device or cable type not supported". The…
- 10224981Dec 10, 2014High quality media files (video and sound) are now integrated into technical service bulletins on a case-by-case basis. Media files can now be viewed on any smartphone or tablet.
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 2004 Audi A6
9 complaintsBrakes
4 complaintsAir bags
3 complaintsEngine cooling
3 complaintsSeats
3 complaintsTires
3 complaintsWheels
3 complaintsElectronic stability control
2 complaintsExterior lighting
2 complaintsVehicle speed control
2 complaintsEngine
1 complaintsForward collision avoidance
1 complaints
← All problems reported for the 2004 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