2021 Audi A4 Recalls

Recalls on record Updated July 2026

The 2021 Audi A4 has 4 NHTSA recall campaigns affecting an estimated 287,843 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 19 complaints with NHTSA, most often about the electrical system. Last updated July 5, 2026.

Recall campaigns

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.

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.

Complaints by component

ELECTRICAL SYSTEM
3
UNKNOWN OR OTHER
3
1crashes
LANE DEPARTURE: BLIND SPOT DETECTION
2
POWER TRAIN
2
SUSPENSION
2
1crashes1injuries
VEHICLE SPEED CONTROL
2
2crashes1injuries
AIR BAGS
1
1crashes
ENGINE
1
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
1
FORWARD COLLISION AVOIDANCE: WARNINGS
1
Total complaints19

What owners report

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

“The instrument cluster has stop working. Have to monitore vehicle information, mileage, service, safty notifications and general vehicle information from the audi app.”

ELECTRICAL SYSTEM · reported 2025-09-02

“The instrument cluster has failed per the recall 90vc. Audi issued the recall for every model made in 2021 with the exception of the a3 and a4 and I believe this was a mistake as my instrument cluster has the same failure.”

UNKNOWN OR OTHER · reported 2025-08-13

“The instrument cluster has failed per the recall 90vc. Audi issued the recall for every model made in 2021 with the exception of the a3 and a4 and I believe this was a mistake as my instrument cluster has the same failure.”

LANE DEPARTURE: BLIND SPOT DETECTION · reported 2025-08-13

“The instrument cluster has failed per the recall 90vc. Audi issued the recall for every model made in 2021 with the exception of the a3 and a4 and I believe this was a mistake as my instrument cluster has the same failure.”

FORWARD COLLISION AVOIDANCE: WARNINGS · reported 2025-08-13

“Tires are original equipment. Only 19,000 miles on them. Was told all 4 tires have belt shifts and hop some. Suggested they should be replaced. These tires were great when new but you could tell from driving they were degrading. I'm [xxx] and never had an issue with tires this new. The belt…”

TIRES · reported 2025-08-10

“I have a 2021 audi a4 that is also being affected by the instrument cluster failure/recall. My model , a4 was not included but I am experiencing the same failure and this was reported to the dealership. An online search will show just how many people have issues with the instrument cluster. The…”

ELECTRICAL SYSTEM · reported 2025-03-27

“I have a 2021 audi a4 that is also being affected by the instrument cluster failure/recall. My model , a4 was not included but I am experiencing the same failure and this was reported to the dealership. An online search will show just how many people have issues with the instrument cluster. The…”

LANE DEPARTURE: BLIND SPOT DETECTION · reported 2025-03-27

“I have a 2021 audi a4 that is also being affected by the instrument cluster failure/recall. My model , a4 was not included but I am experiencing the same failure and this was reported to the dealership. An online search will show just how many people have issues with the instrument cluster. The…”

FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING · reported 2025-03-27
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 A4 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.