YearToAvoid

2020 Audi A6 Electrical System Problems

NHTSA lists 17 Electrical System complaints for the 2020 Audi A6, 68% of its 25 total complaints, with a median failure mileage of 44,500. Three related recalls cover starter generator moisture, a fuel level sender, and a rear-seat gateway module liquid-intrusion issue.

Electrical System complaints
17
68% of 25
Crashes reported
0
Fires reported
0
Injuries reported
0
Median mileage
44,500 mi
Related recalls
3

Typical electrical symptoms owners report

  • Vehicle suddenly loses power or stalls in traffic, with brake, transmission, and other warning lights illuminating at once.
  • Dashboard displays wrong gear status, showing PARK after shifting into DRIVE before going dark and resetting.
  • Liquid intrusion into the rear-seat gateway module shorts out electrical systems, disabling power steering and brakes while driving.
  • 48V battery/alternator failures trigger multiple simultaneous warnings including low battery charge, parking brake malfunction, and all-wheel drive faults.
  • Windows roll up and down on their own while driving, accompanied by door module related warnings.
  • Rear-view or environmental camera cuts out intermittently, with dealer scans showing recurring fault codes.

When 2020 Audi A6 electrical complaints were filed

First complaint Nov 12, 2021, latest Mar 7, 2026.

2020 Audi A6 electrical system complaints: complaints filed per month2Nov 2021Jul 2022Dec 2022Feb 2023Jul 2023Oct 2025Feb 2026
17 complaints filed with NHTSA from Nov 2021 to Mar 2026; peak Feb 2023 (2).

Electrical System recalls for the 2020 Audi A6

  1. NHTSA 22V861000Nov 21, 2022Electrical System50,883 vehicles

    Electrical system

    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.

    Remedy: 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.

  2. NHTSA 22V155000Mar 14, 2022Electrical System47,238 vehicles

    Electrical system:instrument panel:fuel gauge:fuel level float/sensor/sending unit

    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.

    Remedy: 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.

  3. NHTSA 20V153000Mar 19, 2020Electrical System5,471 vehicles

    Electrical system:starter assembly

    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.

    Remedy: 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 complaints by A6 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 20102 (12%)
  2. 20113 (14%)
  3. 201213 (22%)
  4. 20138 (15%)
  5. 20142 (5%)
  6. 20153 (14%)
  7. 20168 (16%)
  8. 20172 (10%)
  9. 20181 (9%)
  10. 201985 (75%)
  11. 202017 (68%)
  12. 202111 (65%)
  13. 20220 (0%)
  14. 20231 (50%)
  15. 20240 (0%)
  16. 20252 (33%)

Frequently asked questions

How common are electrical problems in the 2020 Audi A6?
NHTSA shows 17 Electrical System complaints out of 25 total complaints for the 2020 Audi A6, meaning electrical issues make up 68% of all reported problems for this model year.
At what mileage do 2020 Audi A6 electrical failures typically occur?
The median mileage at failure reported to NHTSA for this problem area is 44,500 miles.
Is there a recall for the 2020 Audi A6 electrical system?
Yes. NHTSA lists three Electrical System recalls covering the 2020 A6: campaign 20V153000 for starter generator moisture intrusion, 22V155000 for a sticking fuel level sender, and 22V861000 for liquid intrusion into a rear-seat gateway module.
Did the 2020 Audi A6 electrical issues cause any crashes or fires?
NHTSA data for this problem area lists 0 crashes and 0 fires among the reported complaints.
Are 2020 A6 electrical complaints worse than other years?
The 2020 A6 share of 68% is lower than the 2019 A6's 75% but higher than most other model years listed, such as 2021 at 65% and 2016 at 16%.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.