Separation of the rotor and shaft may cause a reduction in braking assistance and a loss of the Antilock Brake System (ABS) and Electronic Stability Control (ESC), increasing the risk of a crash.
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 E-Tron Quattro and 2020-2021 Audi E-Tron Sportback Quattro vehicles. An improperly welded rotor and shaft may separate within the integrated brake system.
Dealers will replace the brake booster, free of charge. Owner notification letters were mailed September 14, 2021. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 47R1.
