Air bags: frontal: driver side: inflator module (Audi)
Vehicle recall 21V-470. NHTSA received Volkswagen Group of America, Inc.’s report on Jun 23, 2021.
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The short answer
NHTSA received Volkswagen Group of America, Inc.’s report on Jun 23, 2021. Copied from NHTSA on Oct 28, 2026.
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
In the event of a crash necessitating air bag deployment, the air bag may not properly protect the occupant, increasing the risk of serious injury or death.
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.
NHTSA, Recalls flat file. Released Oct 28, 2026. Updated daily.
- NHTSA’s part: Air bags: frontal: driver side: inflator module.
What should you do?
Dealers will replace the driver frontal airbag inflator with an alternative inflator, free of charge. Owner notification letters were mailed November 2, 2021. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen’s number for this recall is 69CJ.
NHTSA, Recalls flat file. Released Oct 28, 2026. Updated daily.
- How to reach the firm: 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.
- Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.
Which ones are recalled?
NHTSA counts 62,812 vehicles potentially involved, across everything this recall names.
NHTSA, Recalls flat file. Released Oct 28, 2026. Updated daily.
- Audi A4and 2000, 2001 and 2002, before the model years listed here
- Audi S4and 2000, 2001 and 2002, before the model years listed here
- Audi TTand 2000 and 2001, before the model years listed here
Who is recalling it?
- Made by Volkswagen Group of America, Inc..
NHTSA, Recalls flat file. Released Oct 28, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt.
- Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
- This recall names only model years before 2015, which have no pages here. Your VIN, at NHTSA, says which recalls are open on a vehicle.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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National Highway Traffic Safety Administration, Recalls flat file (FLAT_RCL_POST_2010).
Released Oct 28, 2026 and checked Oct 28, 2026. Updated daily. Public domain (U.S. Government work).
Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 28, 2026.