2021 Audi S4
Safety record from NHTSA: recalls, owner complaints, investigations and service bulletins.
Have the VIN?
These records cover every 2021 Audi S4. To see whether one car still needs a recall repair, decode its VIN or check it with NHTSA.
Recalls
4 recalls name the 2021 Audi S4. Newest first.
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…
Risk and remedy
Risk
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.
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…
Risk and remedy
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.
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…
Risk and remedy
Risk
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 (VW) and 69CS (Audi).
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…
Risk and remedy
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.
Owner complaints
2 complaints
What owners report most
Latest complaints
- Electrical system
The contact owns a 2021 Audi S4. The contact stated that while driving at an undisclosed speed, the vehicle experienced a loss of automotive power. The check engine warning light was illuminated. The message "Drive System Malfunction - Please Contact Service" was displayed. In addition, the vehicle…
The contact owns a 2021 Audi S4. The contact stated that while driving at an undisclosed speed, the vehicle experienced a loss of automotive power. The check engine warning light was illuminated. The message "Drive System Malfunction - Please Contact Service" was displayed. In addition, the vehicle hesitated to restart and shift into gear as intended. The contact stated that the failure had progressed over time. The vehicle was taken to a local dealer, where it was diagnosed with needing a pending software service update; however, the repairs would not be available until the end of 2025. The manufacturer was made aware of the failure. The failure mileage was approximately 31,000.
- Unknown or other
2021 audi S4. Consumer writes in regard to nhtsa safety recall 22v-742. the consumer IS disgusted and disatisfied with the audi service department procedures for performing the recalls.
Service bulletins
Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.
- 11011305This bulletin provides information when the camera for the Driver Assist Systems is coded incorrectly.
- 11011303This bulletin provides information when the anti-theft alarm activates for no reason, or when the anti-theft alarm does not activate.
- 11011302This bulletin provides information when various camera-based driver assistance systems are unavailable (DTC B200FF2 (1123875)).
- 11011296This bulletin provides service-info relating to lithium-ion high-voltage batteries; determining energy content.
- 11011285This TSB Provides information when parking assistance provides false warnings.
- 11011282This bulletin provides information when speaker rattles, vibrations, or audio interference is noted.
- 11011276This TSB provides information when DTCs U142100 and U164200 are stored as passive/sporadic in the gateway.
- 11011274This bulletin provides information when the restricted function icon for Audi Pre sense is displayed after engine starts.
- 11011270This bulletin provides informatoin when Audi pre sense restricted message appears in the instrument cluster, no DTCs.
- 11011263This bulletin provides information regarding cleaning exterior glass.
- 11011257This bulletin provides information when creaking noises are heard when body twists during braking or steering maneuvers.
- 11011256This bulletin provides information when the DTCs B200FF0 to B200FF5 are stored in the J775 suspension control unit.
- 11011240This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool
- 11011239This bulletin advises that fuel additives are not permitted.
- 11009983Vehicle Concerns Before Recall Repair Available
- 11009967This bulletin provides information when there is an issue with wireless charging/wireless charging not working with Audi Phone Box.
- 11009965This bulletin provides information when the calendar function is not available.
- 11009959This Pending Service Solution (PSS) requests that technicians enter a record in the PSS Database when there is an Audi connect installation error.
- 11009958This TSB provides information when DTCs U142100 and U164200 are stored as passive/sporadic in the gateway.
- 11009951This TSB provides information when the Virtual cockpit has a pixel error.
- 11009948This bulletin provides information when there is noise from the backrest of the front seat.
- 11009941This bulletin provides diagnostic information regarding the locking system.
- 11009938This bulletin provides information when there are droning noises/vibrations in tight corners, vehicles with PR number GH4 (quattro with ultra technology).
- 11009936This bulletin provides informatin when there is binding or vibrations in tight turns with quattro Ultra.
- 11009928This bulletin provides informatin when the engine does not run smoothly at idling speeds.
- 11009924This bulletin provides information when the MIL is on P045600 Very Small Leak Detected - NVLD.
- 11009920This bulletin states that the use of fuel additives is not permitted.
- 11009406This bulletin provides information when "Audi Active Lane Assist/Traffic Jam Assist: malfunction!" is displayued, DTC U112300 is stored in one of two control modules
- 11009390This Pending Service Solution (PSS) requests that technicians enter a record in the PSS Database when there is an Audi connect installation error.
- 11009380This bulletin provides information about the Audi pre sense warning, warning jolt and/or brake engagement.
- 11009378This bulletin provides inormatin when the guages is faulty in the Audi virtual cockpit.
- 11009377This bulletin provides information when the audi virtual cockpit display has semi-circular marks on the edges of the display.
- 11009375This bulletin provides information pertaining to the GFF test plan required for A/C compressore replacements, regardless of the concern.
- 11009372This bulletin provides informaiton when the exterior black optic trim is discolored.
- 11009365This bulletin provides information when there is visible corrosion at the joint between the roof and roof side member.
- 11009363This bulletin provides informatin when there is a squeaking noise from the rubber boot of the intermediate steering shaft.
- 11009362This bulletin provides information when there is a prompt to take over steering; hands off detection.
- 11009361This bulletin provides information regarding steering wheel visual damage.
- 11009356This bulletin provides informaion regarding zirconium inserts in the bake piston for vehicle equipped with ceramic brakes.
- 11009354This bulletin provides information on frequency analysis.
Every Audi S4 model year
Bars are owner complaints, dots mark years with recalls. Select a year to open its report.