KnownCarProblems2020 Audi A6 Problems and Recalls
Owners filed 26 complaints with NHTSA about the 2020 Audi A6, most often about the electrical (69% of complaints). It is 15th of 27 A6 model years by number of complaints and has 9 recalls.
Most common 2020 Audi A6 problems
Electrical
18 complaints · 69%The contact owns a 2020 Audi A6. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power. The brake, transmission, and several other unknown warning lights were illuminated. Additionally, the windows inadvertently rolled up and down while driving. The vehicle was towed to the…
The contact owns a 2020 Audi A6. The contact stated that while the vehicle was parked, water leaked into the vehicle and accumulated in the rear passengerâs side area of the vehicle. The contact initially believed that the failure might be related to inclement weather; however, the issue persisted. The vehicle was…
Driver assistance
5 complaints · 19%Parts named most often: automatic emergency braking, adaptive cruise control, warnings.
The automated emergency braking randomly kicks in.. This has happened two times in the past 3 months. Nothing was around to cause the aeb to activate. This could have caused a serious accident if someone was driving behind me at the time. It jolted passengers in the car. The car came to a complete stop and nothing in…
Other or unspecified
5 complaints · 19%Body and structure
3 complaints · 12%Parts named most often: body.
The contact owns a 2020 Audi A6. The contact stated that while the vehicle was parked, water leaked into the vehicle and accumulated in the rear passengerâs side area of the vehicle. The contact initially believed that the failure might be related to inclement weather; however, the issue persisted. The vehicle was…
Complaints are owner reports to NHTSA, not verified defects. One complaint can name several components, so shares add up to more than 100%.
2020 Audi A6 recalls
Backup camera: camera
Risk: A rearview image that does not display reduces the driver's view behind the vehicle, increasing the risk of a crash.
Fix: Dealers will update the software, free of charge. Owner notification letters were mailed january 14, 2026. Owners may contact audi customer service at 1-800-253-2834. Audi's number for this recall is 90tv. Vehicle identification numbers (vins) involved in this recall became searchable on NHTSA.gov on december 23, 2025.
Full defect summary
Volkswagen group of america, inc. (audi) is recalling certain 2019-2026 vehicles. Please see the recall report for a complete list of models. A software error may prevent the rearview camera image from displaying as intended. As such, these vehicles fail to comply with the requirements of federal motor vehicle safety standard number 111, "rear visibility."
Brakes: fluid
Risk: Incorrect brake fluid can reduce braking ability and increase the risk of a crash.
Fix: Dealers will inspect the brake fluid reservoir cap and, if necessary, replace it, free of charge. Owner notification letters are expected to be mailed october 17, 2023. Owners may contact audi's customer service at 1-800-253-2834. Volkswagen's number for this recall is 47t9.
Full defect summary
Volkswagen group of america, inc. (audi) is recalling certain 2021 audi s7, s6 sedan, rs7, rs6 avant, a6 allroad, 2019-2021 a7, and a6 sedan vehicles. An incorrectly labeled brake fluid cap may have been installed, which can result in the use of the wrong type of brake fluid.
Electrical: electrical system
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.
Full defect summary
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.
Electrical: fuel level float/sensor/sending unit
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.
Full defect summary
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.
Wheels and tires: tires
Risk: Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.
Fix: Dealers will inspect the rear axle, adjust the alignment as necessary, and replace any prematurely or unevenly worn tires, free of charge. Owner notification letters were mailed march 3, 2022. Owners may contact audi customer service at 1-800-253-2834. Audi's number for this recall is 42l5.
Full defect summary
Volkswagen group of america, inc. (audi) is recalling certain 2019-2021 audi a5 sportback, rs5 coupe, rs5 sportback, s5 sportback, 2020-2021 a4 allroad, a4 sedan, a5 cabriolet, a5 coupe, a6 allroad, a6 sedan, a7, a8, q5, s4 sedan, s5 coupe, s5 cabriolet, s6 sedan, s7, s8, sq5, 2021 q5 sportback, q7, q8, rs6 avant, rs7, rsq8, sq5 sportback, sq7, and sq8 vehicles. The rear axle alignment may not have been inspected after the repairs for recall 21v-295 (42l1) were performed.
Suspension: non-powered axle assembly
Risk: A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.
Fix: Dealers will replace the lock nuts and, if necessary, the associated bolts, free of charge. Owner notification letters were mailed june 4, 2021. Owners may contact audi customer service at 1-800-253-2834. Audi's number for this recall is 42l1.
Full defect summary
Volkswagen group of america, inc. (audi) is recalling certain 2021 q7, q8, q5 sportback, sq5 sportback, rs6 avant, rs7, rs q8, 2020-2021 audi s6 sedan, q5, a8, s8, a7, a6 allroad, a5 cabriolet, a4 sedan, a4 allroad, sq5, s7, a6 sedan, s5 coupe, s4 sedan, s5 cabriolet, a5 coupe, 2019-2021 rs5 coupe, a5 sportback, s5 sportback, rs5 sportback vehicles. The lock nut on the trailing arm of the rear axle may break due to stress corrosion.
Air bags
Risk: An incorrectly manufactured air bag may not deploy properly, and could also eject plastic debris into the passenger compartment, increasing the risk of injury during a crash.
Fix: Audi will notify owners, and dealers will inspect the passenger air bag score line, and repair it as necessary, free of charge. The recall begin march 26, 2021. Owners may contact audi customer service at 1-800-253-2834. Audi's number for this recall is 70i2.
Full defect summary
Volkswagen group of america, inc. (audi) is recalling certain 2021 audi rs6 avant, rs7, 2020-2021 a6 allroad, s6 sedan, s7, 2019-2021 a6 sedan, and a7 vehicles. The score line on the passenger air bag may not have been manufactured correctly.
Air bags: inflator module
Risk: In the event of a crash, the passenger air bag may not properly deploy and inflate, and small plastic parts may enter the cabin, increasing the risk of injury.
Fix: Audi will notify owners, and dealers will replace the instrument panels, free of charge. The recall began june 24, 2020. Owners may contact audi customer service at 1-800-822-2834. Volkswagen's number for this recall is 70h6.
Full defect summary
Volkswagen group of america, inc. (volkswagen) is recalling certain 2020 audi a6, a6 allroad and a7 vehicles. The passenger air bag may not properly deploy through the instrument panel tear seam.
Electrical: starter assembly
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.
Full defect summary
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.
Recall repairs are free at any franchised dealer. Enter your VIN at nhtsa.gov/recalls to see which recalls are still open on your car.
Questions about the 2020 Audi A6
- What are the most common problems with the 2020 Audi A6?
- By NHTSA owner complaints: electrical (18 complaints); driver assistance (5 complaints); other or unspecified (5 complaints).
- How many recalls does the 2020 Audi A6 have?
- 9 recalls listed by NHTSA, the latest from December 19, 2025 (backup camera). Check your VIN at nhtsa.gov/recalls to see which ones are still open on your car.
- Is the 2020 a bad year for the Audi A6?
- It is 15th of 27 A6 model years by number of complaints, with 26 complaints. Complaint counts are not adjusted for how many cars were sold, so popular years collect more of them, and the newest years have had less time to.