{"source":"nhtsa","country":"us","campaign":"21V470000","date":"2021-06-23","owner_notified":"2021-11-02","manufacturer":"Volkswagen Group of America, Inc.","component":"AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE","summary":"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.","consequence":"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.","remedy":"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.","notes":"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.","mfr_campaign":"69CJ","part_number":"4B0.951.403, 4B0.951.403 A","units":62812,"completion":{"kind":"annual","report_number":2,"period_from":"2024-4","period_to":"2025-3","submitted":"2025-10-29","involved":62812,"remedied":3676,"unreachable":4223,"removed":79,"remedied_percent":5,"as_of":"2026-10-19"},"do_not_drive":false,"park_outside":false,"notification":null,"french":null,"vehicles":[{"year":2000,"make":"AUDI","model":"A4","vehicle_id":"2000_audi_a4","match":"exact","built_from":null,"built_to":null},{"year":2001,"make":"AUDI","model":"A4","vehicle_id":"2001_audi_a4","match":"exact","built_from":null,"built_to":null},{"year":2002,"make":"AUDI","model":"A4","vehicle_id":"2002_audi_a4","match":"exact","built_from":null,"built_to":null},{"year":2000,"make":"AUDI","model":"S4","vehicle_id":"2000_audi_s4","match":"exact","built_from":null,"built_to":null},{"year":2001,"make":"AUDI","model":"S4","vehicle_id":"2001_audi_s4","match":"exact","built_from":null,"built_to":null},{"year":2002,"make":"AUDI","model":"S4","vehicle_id":"2002_audi_s4","match":"exact","built_from":null,"built_to":null},{"year":2000,"make":"AUDI","model":"TT","vehicle_id":"2000_audi_tt","match":"exact","built_from":null,"built_to":null},{"year":2001,"make":"AUDI","model":"TT","vehicle_id":"2001_audi_tt","match":"exact","built_from":null,"built_to":null}],"may_apply":true,"as_of":"2026-10-19","lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null},"attribution":[],"url":"https://open.wenmarpro.com/recalls/nhtsa/21V470000"}