NHTSA campaign 21V707000
Hazard
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.
The text above is quoted verbatim from the NHTSA record. Confirm the affected units and the remedy with the manufacturer or NHTSA. Recall data may be incomplete, delayed, or superseded.