Audi A6 Electrical System Problems
Owners have filed 393 complaints with NHTSA about electrical system problems on the Audi A6 across 30 model years. The 2019 model year has the most (84). The words owners use most often: “ignition switch” (13% of reports).
- 393electrical system complaints
- —median miles at failure
- 6mention a crash
- 13mention an injury
- 9related recalls
- $3,100typical repair cost reported by owners
- 38%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Ignition switch: mentioned in 52 of 393 complaints (13%)
- Electrical malfunction: mentioned in 41 of 393 complaints (10%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical electrical system repair on the Audi A6 at $3,100, and half of them between $1,600 and $3,550.
Based on 17 NHTSA complaints about this problem alone that state a repair bill or quote (2001–2026), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do electrical system problems happen?
Based on 179 complaints that reported the odometer reading.
How serious are the reports?
Of 393 complaints, 6 mention a crash, 54 a fire, 13 an injury.
Audi A6 electrical system complaints by model year
| Model year | Electrical System complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 A6 | 4 | 67% | — |
| 2025 A6 | 2 | 33% | — |
| 2023 A6 | 1 | 50% | — |
| 2021 A6 | 11 | 65% | 38,000 |
| 2020 A6 | 18 | 69% | 44,500 |
| 2019 A6 | 84 | 74% | 13,514 |
| 2018 A6 | 1 | 9% | — |
| 2017 A6 | 2 | 10% | 35,000 |
| 2016 A6 | 8 | 16% | 43,500 |
| 2015 A6 | 3 | 14% | 73,493 |
| 2014 A6 | 2 | 5% | 9,000 |
| 2013 A6 | 7 | 13% | 38,830 |
| 2012 A6 | 13 | 22% | 70,705 |
| 2011 A6 | 3 | 14% | 6,500 |
| 2010 A6 | 2 | 12% | 64,000 |
| 2009 A6 | 1 | 5% | — |
| 2008 A6 | 7 | 10% | 63,500 |
| 2007 A6 | 6 | 11% | 99,000 |
| 2006 A6 | 13 | 19% | 87,295 |
| 2005 A6 | 16 | 18% | 107,500 |
| 2004 A6 | 3 | 9% | 84,824 |
| 2003 A6 | 14 | 21% | 82,000 |
| 2002 A6 | 15 | 17% | 62,500 |
| 2001 A6 | 14 | 12% | 66,952 |
| 2000 A6 | 36 | 24% | 76,000 |
| 1999 A6 | 37 | 17% | 91,000 |
| 1998 A6 | 8 | 6% | 78,000 |
| 1997 A6 | 14 | 70% | 102,500 |
| 1996 A6 | 38 | 75% | 102,179 |
| 1995 A6 | 10 | 63% | 118,000 |
When owners reported it
Related recalls (9)
Electrical system:software; electrical system: instrument cluster/panel
Model years: 2021
Problem: Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 SQ8, A6 SEDAN, A7, A8, Q7, Q8, RS6 Avant, RS7, RSQ8, S6 SEDAN, S7, S8, A6 Allroad, and SQ7 vehicles. Due to a software error, the instrument panel display may fail.
Risk: An instrument panel display that fails to show critical safety information, such as the speedometer or warning lights, increases the risk of a crash.
Fix: Dealers will update the instrument panel module software, free of charge. Owner notification letters were mailed April 24, 2025. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 90VC.
Electrical system
Model years: 2019, 2020, 2021, 2022
Problem: Volkswagen Group of America, Inc. (Audi) is recalling certain 2020-2022 Audi S7, S6 Sedan, A6 Allroad, 2021-2022 RS7, RS6 Avant, 2019-2022 A7, and A6 Sedan vehicles. Liquid spilled in the rear seat may penetrate and cause the gateway control module to shut down.
Risk: A gateway control module shutdown will suddenly reduce engine power, increasing the risk of a crash.
Fix: Dealers will install a protective cover, free of charge. Owner notification letters are expected to be mailed January 20, 2023. Owners may contact Audi's customer service at 1-800-253-2834. Audi's number for this recall is 90V2.
Electrical system:instrument panel:fuel gauge:fuel level float/sensor/sending unit
Model years: 2019, 2020, 2021, 2022
Problem: Volkswagen Group of America, Inc. (Audi) is recalling certain 2021-2022 RS6 Avant and RS7, 2020-2022 A6 Allroad, S6 Sedan, and S7, and 2019-2022 A6 Sedan and A7 vehicles. The fuel level sender may stick, causing an inaccurate fuel level reading to be displayed on the instrument cluster.
Risk: An inaccurate fuel reading may cause an engine stall due to lack of fuel, increasing the risk of a crash.
Fix: Dealers will install a new sensor in the tank, free of charge. Owner notification letters were mailed February 17, 2023. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 20DN.
Air bags:sensor:side impact; electrical system
Model years: 2021
Problem: Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi A6 Allroad, Q7, RS6 and RS7 vehicles. The electrical connector can detach from the door crash sensor in either of the front doors.
Risk: A detached connector can delay the activation of the restraint systems, including the side air bag, curtain air bag and/or seat-belt pretensioners during a side impact crash, increasing the risk of injury.
Fix: Audi will notify owners, and dealers will inspect, and as necessary, replace the crash sensors in both front doors, free of charge. The recall began December 23, 2020. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 69BM.
Electrical system:starter assembly
Model years: 2019, 2020
Problem: Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2019-2020 Audi A6 vehicles equipped with mild-hybrid technology and 2.0TFSI engines. Moisture may enter the starter generator and cause an electrical short circuit.
Risk: A short circuit in the starter generator increases the risk of a fire.
Fix: Volkswagen will notify owners, and dealers will replace the starter generator, free of charge. The recall began by May 22, 2020. Owners may contact Volkswagen customer service at 1-800-893-5298. Volkswagen's number for this recall is 27H2.
Electrical system:wiring
Model years: 2015, 2016
Problem: Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2015-2016 Audi A6 Sedans and 2015 Audi A7 vehicles. The auxiliary heater electrical connector on these vehicles may have been incorrectly inserted into the auxiliary heater, possibly resulting in increased electrical resistance.
Risk: The extra resistance can cause the connector to overheat, increasing the risk of a fire.
Fix: Volkswagen will notify owners, and dealers will inspect the auxiliary heater connector, replacing the auxiliary heater and connector, as necessary, free of charge. The recall began March 15, 2019. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 82C1.
Electrical system
Model years: 1998, 1999, 2000, 2001, 2002, 2003, 2004
Problem: On certain passenger vehicles equipped with halogen low beam headlights, certain connector pins in the headlight switch connector come into contact with each other causing a short circuit. Note: vehicles with xenon low beam headlights are not affected because the circuit in these vehicles contains a fuse, which precludes excessive current flow in the case of a short circuit. Audi s6 and s6 avant vehicles are all equipped with xenon low beam headlights and, therefore, are not longer affected by this recall.
Risk: This condition could lead to overheating or fire.
Fix: Dealers will reroute the wiring harness by installing a jumper wiring harness. The recall began on december 16, 2006. Owners may contact audi at 1-800-822-2834.
Electrical system
Model years: 1998, 1999, 2000, 2001, 2002, 2003, 2004
Problem: On certain passenger vehicles, if a driver's knees push against the knee bolster (crash element) located under the dashboard, it can contact the headlight switch wiring harness, and an electrical short could occur.
Risk: A fire could originate in the left dashboard area.
Fix: Dealers will install a protective covering on the knee bolster (crash element). In addition, the wiring harness as well as the felt protector on the left side of the dashboard carrier will be checked, and replaced if necessary. The recall began on july 26, 2004. Owners should contact audi at 1-800-822-2834.
Electrical system:ignition:switch
Model years: 1995, 1996
Problem: Defective ignition switches were improperly manufactured and can cause some electrical accessories to malfunction.
Risk: Some electrical accessories, such as, turn signals, windshield wipers, lamps, power wind0ws and air conditioners can malfunction when the car is started.
Fix: Dealers will replace the ignition switch.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
Central locking malfunction. Vehicle reports central lock error and canât be opened easily from outside or inside. Unlocking from the key fob leads to the door locks to malfunction. Operating door handles is impossible from inside or outside. All doors are impacted.
While operating the vehicle under normal driving conditions, the vehicle suffered an immediate, un-commanded loss of engine power and throttle response. The vehicle displayed a critical dashboard restriction stating: âMaximum engine speed 2500 RPMâ, forcing an emergency limp-home mode that…
The vehicle went in for a software update. After purchasing the vehicle, the software update was part of a recall. Since that recall was performed, my vehicle has a lot of electronic glitches and a lot of issues. My external Morty just got done, paying $4500 to track down a central locking issue on…
The gateway computer was fried due to water consumption. I was driving and lost all power in the car and hade to pull over with no power to help me. Also this was already recalled in 2019-2022 audi fix was to put a plastic bag around the gate way computer but this did not pretect the gateway…
vehicle was put into gear and lost propulsion . Then all adas warning lights illuminated. This is the second time this has happened
Frequently asked questions
Do all Audi A6s have electrical system problems?
No. NHTSA has 393 owner complaints about electrical system for the Audi A6. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Audi A6 electrical system?
Yes: 9 safety recalls list electrical system. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
How much does it cost to fix electrical system problems on the Audi A6?
Owners report a typical cost of $3,100 (half paid between $1,600 and $3,550), from 17 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about electrical system problems on the Audi A6?
The most frequent phrase is “ignition switch”, in 52 of 393 complaints, followed by “electrical malfunction” (41).
Other Audi A6 problems
- Air Bags problems (315)
- Engine problems (130)
- Fuel System, Gasoline problems (122)
- Steering problems (113)
- Engine and Engine Cooling problems (112)
- Power Train problems (112)
- Service Brakes, Hydraulic problems (106)
See all Audi A6 problems.