2001 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated July 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2001 Audi S4 has 1 documented issue, with 1 rated critical. The most serious is Driver Airbag Inflator May Deploy Improperly (Recall 21V470 / 69CJ). DIY maintenance guides at au7o.io.
AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2000-2001 Audi TT Coupe, TT Roadster, 2000-2002 A4, and S4 vehicles equipped with Non-Azide Driver Air Bag Inflators (NADI) that do not contain phase stabilized ammonium nitrate (PSAN) propellant. Due to a manufacturing issue, the NADI inflators may absorb moisture, possibly causing the air bag to deploy improperly in the event of a crash.
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2001 Audi S4 has 1 documented issue. The documented issue is: Driver Airbag Inflator May Deploy Improperly (Recall 21V470 / 69CJ). Of these, 1 is rated critical and should be addressed promptly.
The 2001 Audi S4 has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: Driver Airbag Inflator May Deploy Improperly (Recall 21V470 / 69CJ). 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.
Certain 2000-2002 S4 vehicles have a non-azide driver airbag inflator that can absorb moisture and deploy improperly, reducing occupant protection in a crash. Severity: high.
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.
