{"source":"nhtsa","country":"us","campaign":"21V707000","date":"2021-09-13","owner_notified":"2021-09-30","manufacturer":"Volkswagen Group of America, Inc.","component":"SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP; SERVICE BRAKES, HYDRAULIC","summary":"Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi E-Tron Quattro and E-Tron Sportback Quattro vehicles.  Corrosion in the brake booster may cause the Anti-Lock Brake System (ABS), Electronic Stability Control (ESC), speedometer display, and brake assist to stop functioning.","consequence":"A loss of braking assist, ABS, and ESC will increase the effort and distance required to stop, increasing the risk of a crash.","remedy":"Dealers will replace the brake booster, free of charge.  Owner notification letters were mailed September 30, 2021.  Owners may contact Audi customer service at 1-800-253-2834.  Audi's number for this recall is 47R7.","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":"47R7","part_number":"4KE.614.100 *","units":38,"completion":{"kind":"annual","report_number":1,"period_from":"2023-3","period_to":"2024-2","submitted":"2024-07-30","involved":38,"remedied":38,"unreachable":0,"removed":0,"remedied_percent":100,"as_of":"2026-10-19"},"do_not_drive":false,"park_outside":false,"notification":null,"french":null,"vehicles":[{"year":2021,"make":"AUDI","model":"E-TRON","vehicle_id":"2021_audi_e-tron","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/21V707000"}