Skip to main content
MyRecallCheckNHTSA recall explorer

NHTSA model-year recall report

2021 Audi S4 Recalls

4 campaigns in our verified NHTSA snapshot, with source consequences, remedies, and VIN-specific next steps.

4

NHTSA campaigns

4

Affected systems

0

Urgent advisories

Oct 5, 2022

Latest campaign date

At a glance

What the record says

This model year's count is above the Audi S4 average of 1.5 campaigns per listed year. That is context only—not proof that this year is safer or less safe.

The most frequent affected category is Seat Belts › Rear/other › Retractor, appearing in 1 campaign.

  1. 1

    Read

    Review every campaign and urgent instruction below.

  2. 2

    Verify

    Check your exact VIN with NHTSA or the manufacturer.

  3. 3

    Repair

    Contact an authorized dealer if a campaign applies.

Source campaign records

All 2021 Audi S4 recall campaigns

Shown newest first. NHTSA summary, consequence, and remedy text is preserved without truncation.

NHTSA campaign 22V742000

Back Over Prevention › Display Function

Manufacturer: Volkswagen Group of America, Inc.

Reported Oct 5, 2022

What is recalled

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 Sportback, SQ5, S8, S7, S6 Sedan, S5 Sportback, S5 Coupe, 2022 E-Tron GT, and 2021-2022 RSQ8 vehicles. Due to a software issue, a blank or black screen may be displayed instead of the rearview camera image when the vehicle is placed in reverse gear. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

Safety consequence

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

Manufacturer 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.

Campaign history does not confirm applicability or repair status for one VIN.

Campaign details

NHTSA campaign 22V034000

Tires

Manufacturer: Volkswagen Group of America, Inc.

Reported Jan 26, 2022

What is recalled

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.

Safety consequence

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

Manufacturer 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.

Campaign history does not confirm applicability or repair status for one VIN.

Campaign details

NHTSA campaign 21V606000

Seat Belts › Rear/other › Retractor

Manufacturer: Volkswagen Group of America, Inc.

Reported Aug 5, 2021

What is recalled

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 Cabriolet, S5 Coupe, S5 Sportback, S6 Sedan, S7, S8, SQ5, SQ5 Sportback, SQ7, SQ8, and 2021-2022 S3 Sedan vehicles. The rear seat belt automatic locking retractors may deactivate early, which can prevent the child restraint system from securing properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

Safety consequence

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

Manufacturer 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 (VW) and 69CS (Audi).

Campaign history does not confirm applicability or repair status for one VIN.

Campaign details

NHTSA campaign 21V295000

Suspension › Rear › Axle › Non-powered Axle Assembly

Manufacturer: Volkswagen Group of America, Inc.

Reported Apr 26, 2021

What is recalled

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.

Safety consequence

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

Manufacturer 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.

Campaign history does not confirm applicability or repair status for one VIN.

Campaign details

Other Audi S4 model years

Compare campaign histories within the same model. Counts are descriptive, not a safety grade.

View all model years

Other 2021 Audi recall reports

2021 Audi S4 recall questions

How many recalls does the 2021 Audi S4 have?

This verified dataset contains 4 NHTSA campaigns associated with the 2021 Audi S4. A campaign can apply to some, not all, vehicles of the same model year.

Does this confirm an open recall for my 2021 Audi S4?

No. This page is a model-year campaign history. Use NHTSA's official lookup or an authorized dealer to confirm whether a campaign applies to your exact VIN and whether the repair remains open.

Are vehicle recall repairs free?

When a safety recall campaign applies to your VIN, the manufacturer remedy is generally provided at no charge through an authorized dealer. Confirm eligibility and scheduling with the manufacturer or dealer.

Source: NHTSA. Dataset includes campaigns through Jul 30, 2026. Last processed Aug 8, 2026. Methodology