Model year 2020 · Audi

2020 Audi A4 / S4 recalls

NHTSA's recall file lists 3 safety recall campaigns for the 2020 Audi A4 / S4. The most recent was reported on January 26, 2022. Campaigns are matched by the model names in NHTSA's records: A4, A4 ALLROAD, S4.

NHTSA data through October 6, 2026 · How these pages are built

Campaigns at a glance

Recall campaigns for the 2020 Audi A4 / S4, newest first
NHTSA number	Reported	Component
22V034000	January 26, 2022	Suspension › Rear › Axle › Non-Powered Axle Assembly
21V874000	November 10, 2021	Air Bags › Sensor › Occupant Classification › Front Passenger
21V295000	April 26, 2021	Suspension › Rear › Axle › Non-Powered Axle Assembly

Systems involved: Suspension (2) · Air Bags (1) · Seats (1) · Tires (1)

Recall records

NHTSA 22V034000Manufacturer no. 42L5

Suspension › Rear › Axle › Non-Powered Axle Assembly

Report received by NHTSA: January 26, 2022
Owner notification: March 3, 2022
Recall initiated by: Manufacturer
Units potentially affected: 31,058 (whole campaign)
Model names in the NHTSA record: A4, A4 ALLROAD, S4

Components: Suspension › Rear › Axle › Non-Powered Axle Assembly; Tires

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.

Safety risk

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.

Notes in the NHTSA record

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Source: NHTSA recall 22V034000, filed by Volkswagen Group of America, Inc.. View the campaign on NHTSA.gov

NHTSA 21V874000Manufacturer no. 74E3

Air Bags › Sensor › Occupant Classification › Front Passenger

Report received by NHTSA: November 10, 2021
Owner notification: January 7, 2022
Recall initiated by: Manufacturer
Units potentially affected: 208,332 (whole campaign)
Model names in the NHTSA record: A4, S4

Components: Air Bags › Sensor › Occupant Classification › Front Passenger; Seats

Defect summary

Volkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabriolet, S5 Coupe, and Audi S5 Sportback vehicles. The cable connecting the seat heater to the Passenger Occupant Detection System (PODS) may have a contact fault, causing the software to misdiagnose a malfunction and disable the passenger air bag.

Safety risk

A disabled passenger air bag increases the risk of injury in the event of a crash.

Remedy

Dealers will replace the connecting cable and either the heating mat or entire seat cover, free of charge. Owner notification letters were mailed January 7, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 74E3. This recall is an expansion of Recall 19V-547 (74D9). Vehicles previously repaired under 19V-547 will need to return for the new remedy.

Notes in the NHTSA record

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Source: NHTSA recall 21V874000, filed by Volkswagen Group of America, Inc.. View the campaign on NHTSA.gov

NHTSA 21V295000Manufacturer no. 42L1

Suspension › Rear › Axle › Non-Powered Axle Assembly

Report received by NHTSA: April 26, 2021
Owner notification: June 4, 2021
Recall initiated by: Manufacturer
Units potentially affected: 40,993 (whole campaign)
Model names in the NHTSA record: A4, S4

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.

Safety risk

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.

Notes in the NHTSA record

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Source: NHTSA recall 21V295000, filed by Volkswagen Group of America, Inc.. View the campaign on NHTSA.gov

Records reproduce NHTSA's published text for each campaign. Last record date for this page: January 27, 2022.