RecallRepo

2021 Audi A6 Recalls

Recalls on record Updated July 2026

The 2021 Audi A6 has 11 NHTSA recall campaigns affecting an estimated 798,331 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 21 complaints with NHTSA, most often about the electrical system. Last updated July 5, 2026.

Recall campaigns

BACK OVER PREVENTION 25V900000 2025-12-19 356,894 affected
Defect

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…

Consequence

A rearview image that does not display reduces the driver's view behind the vehicle, increasing the risk of a crash.

Remedy

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,…

ELECTRICAL SYSTEM 25V201000 2025-03-31 44,387 affected
Defect

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.

Consequence

An instrument panel display that fails to show critical safety information, such as the speedometer or warning lights, increases the risk of a crash.

Remedy

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.

SERVICE BRAKES, HYDRAULIC 23V601000 2023-08-25 7,499 affected
Defect

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.

Consequence

Incorrect brake fluid can reduce braking ability and increase the risk of a crash.

Remedy

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.

ELECTRICAL SYSTEM 22V861000 2022-11-21 50,883 affected
Defect

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.

Consequence

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.

BACK OVER PREVENTION 22V742000 2022-10-05 170,296 affected
Defect

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Audi A8, RS7, RS6 Avant, RS5 Sportback, RS5 Coupe, Q8, Q7, Q5 Sportback, S4 Sedan, Q5, A7, A6, A6 Allroad, A5 Sportback, A5 Coupe, A5 Cabrioleet, A4 Sedan, A4 Allroad, E-Tron Sportback Quattro, SQ7, S5 Cabriolet, E-Tron Quattro, SQ8, SQ5…

Consequence

A blank rearview camera display can reduce the driver's rear visibility, increasing the risk of a crash.

Remedy

Dealers will update the infotainment unit software, free of charge. Owner notification letters were mailed October 25, 2022. Owners may contact Audi's customer service at 1-800-253-2834. Volkswagen's number for this recall is 91DZ.

ELECTRICAL SYSTEM 22V155000 2022-03-14 47,238 affected
Defect

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.

Consequence

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.

TIRES 22V034000 2022-01-26 31,058 affected
Defect

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,…

Consequence

Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.

Remedy

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.

SEAT BELTS 21V606000 2021-08-05 45,496 affected
Defect

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Volkswagen ID4, Audi A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A5 Sportback, A6 Allroad, A6 Sedan, A7, A8, E-Tron Quattro, E-Tron Sportback Quattro, Q3, Q5, Q5 Sportback, Q7, Q8, RS5 Sportback, RS5 Coupe, RS6 Avant, RS7, RSQ8, S4 Sedan, S5…

Consequence

An unsecured child restraint system can increase the risk of injury during a crash.

Remedy

Dealers will inspect, and replace as necessary, the middle-rear seat belt assemblies, free of charge. Owner notification letters were mailed August 27, 2021. Owners may contact Volkswagen customer service at 1-800-893-5298 and Audi customer service at 1-800-253-2834. Volkswagen's numbers for this recall are 69CR…

SUSPENSION 21V295000 2021-04-26 40,993 affected
Defect

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…

Consequence

A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.

Remedy

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.

AIR BAGS 21V159000 2021-03-10 3,421 affected
Defect

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.

Consequence

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.

Remedy

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.

AIR BAGS 20V749000 2020-12-02 166 affected
Defect

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.

Consequence

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.

Remedy

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.

Complaints by component

ELECTRICAL SYSTEM
8
ENGINE
2
FORWARD COLLISION AVOIDANCE: WARNINGS
2
POWER TRAIN
2
UNKNOWN OR OTHER
2
ELECTRICAL SYSTEM:STARTER ASSEMBLY
1
ENGINE AND ENGINE COOLING
1
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
1
STEERING
1
STRUCTURE:BODY
1
Total complaints21

What owners report

Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.

“Thermostat housing and oil cooler bracket leaking coolant with only 56k miles on the car”

ENGINE · reported 2026-05-05

“I was driving my vehicle when the engine surged and then a transmission warning light came on and there was an immediate and complete loss of drive power. After the vehicle glided to a stop, there was no drive transmission in either forward or reverse. There was no pre-warning and no earlier…”

POWER TRAIN · reported 2026-04-04

“My 2021 audi a6 produces a strong mold and mildew odor from the hvac/air conditioning system. The smell occurs consistently after the air conditioning is turned off and persists when entering the vehicle. The issue appears to originate from mold growth on the evaporator coil or dampers, likely…”

UNKNOWN OR OTHER · reported 2026-04-01

“The contact owns a 2021 audi a6. The contact stated while driving at an undisclosed speed, the vehicle overheated. The engine overheating and the low coolant warning light illuminated. In addition, the engine seized. The vehicle was taken to the dealer where it was diagnosed with a coolant leak…”

ENGINE AND ENGINE COOLING · reported 2026-03-10

“While driving at normal speed, the entire digital instrument panel suddenly went black and a red warning triangle appeared. I lost all gauges, including speedometer, fuel level, and warning indicators. This created a serious safety risk because I was in active traffic and had no way to know my…”

ELECTRICAL SYSTEM · reported 2025-12-07

“The audi pre-sense is activated by weather. I was driving during a thunderstorm and audi presence activated causing the car to come to a hard stop due to precipitation. It happened again backing out of my driveway the audi pre-sense was activated and the car came to a hard stop. I thought I had…”

FORWARD COLLISION AVOIDANCE: WARNINGS · reported 2025-08-12

“The audi pre-sense is activated by weather. I was driving during a thunderstorm and audi presence activated causing the car to come to a hard stop due to precipitation. It happened again backing out of my driveway the audi pre-sense was activated and the car came to a hard stop. I thought I had…”

FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING · reported 2025-08-12

“My alternator was not working and it was a recall and I paid to fix it and they don’t wanna pay me back. I got a new part from audi and fix it at the shop and they don’t wanna pay anything just called and she said we don’t pay only if he’s done at the dealer. And I don’t believe that! Bc…”

ELECTRICAL SYSTEM · reported 2025-02-18
Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2021 Audi A6 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.