2021 Audi SQ5 Problems: 3 Known Issues
2021 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated October 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2021 Audi SQ5 has 3 documented known issues, with 1 rated critical. The most serious is Mechanical Coolant-Pump Leak with Possible N649 Vacuum-System Contamination. DIY maintenance guides at au7o.io.
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All 3 Known Issues
NHTSA Recalls7 recalls
SEAT BELTS:PRETENSIONER
Volkswagen Group of America, Inc. (Audi) is recalling certain 2025 Q5, Q5 Sportback, SQ5, and SQ5 Sportback vehicles. The driver and front passenger seat belts may have been manufactured incorrectly, and fail to properly restrain occupants during a crash.
BACK OVER PREVENTION:DISPLAY FUNCTION
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."
STRUCTURE:BODY:TAILGATE
Volkswagen Group of America, Inc. (Audi) is recalling one 2022 Audi SQ5 Sportback vehicle. The connections that join the metal sheets to form the rear lid may have been improperly connected.
ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021-2022 Q5 Sportback, SQ5 Sportback, 2018-2022 Q5, and SQ5 vehicles. A liquid spill in the rear seat, or water ingress from an insufficient body seam underneath the vehicle may allow liquid to penetrate the gateway control module, causing it to shutdown.
SEAT BELTS:REAR/OTHER:RETRACTOR
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."
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Frequently Asked Questions
What are the most common Audi SQ5 problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2021 Audi SQ5 has 3 documented issues. The most frequently reported are: Mechanical Coolant-Pump Leak with Possible N649 Vacuum-System Contamination, Fuel-Quality or Deposit-Related Rough Running and Misfire Diagnosis, Air-Suspension Warning with C1260F0 or U112100 Communication Fault. Of these, 1 is rated critical and should be addressed promptly.
Is the Audi SQ5 reliable?
The 2021 Audi SQ5 has 3 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: Mechanical Coolant-Pump Leak with Possible N649 Vacuum-System Contamination. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
What is the 2018-2024 Audi SQ5 Mechanical Coolant-Pump Leak with Possible N649 Vacuum-System Contamination?
Audi identifies coolant loss from the mechanical coolant pump on 2018-2024 SQ5 V6 TFSI models. In some cases P0299 is logged when coolant entering the vacuum system impairs changeover valve N649. Audi cautions that a small trace on the pump drip cup can be normal and that dried d… Severity: high.
What is the 2014-2025 Audi SQ5 Fuel-Quality or Deposit-Related Rough Running and Misfire Diagnosis?
Audi states that contaminated gasoline or gasoline with insufficient deposit-control additives can contribute to deposits in injectors, combustion chambers, the intake manifold and intake valves, with rough running, hesitation, reduced performance, poor fuel economy or related EC… Severity: medium.
What is the 2018-2025 Audi SQ5 Air-Suspension Warning with C1260F0 or U112100 Communication Fault?
On SQ5 vehicles equipped with air suspension, Audi documents an air-suspension warning accompanied by C1260F0 or U112100 with symptom code 262400 in suspension control module J775. The bulletin concerns communication with compressor control module J1135; it does not support the f… Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.