The defect
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.
The risk
A loss of braking assist, ABS, and ESC will increase the effort and distance required to stop, increasing the risk of a crash.
The 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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Audi e-tron | 2021 |
Components: SERVICE BRAKES, HYDRAULIC | SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Audi e-tron | 2021 | 36 | 9 |
Other service brakes, hydraulic recalls in 2021
58 of the 988 recall campaigns reported to NHTSA in 2021 concerned the service brakes, hydraulic; Volkswagen Group of America, Inc. filed 321 campaigns in all.
| 21V974000 16 Dec 2021 | Arrow Manufacturing, Inc. |
| 21V940000 3 Dec 2021 | Zero Motorcycles Inc. |
| 21V937000 2 Dec 2021 | Hyundai Motor America |
| 21V933000 1 Dec 2021 | Daimler Vans USA, LLC |
| 21V936000 1 Dec 2021 | Kia Motors America |
| 21V922000 23 Nov 2021 | Ford Motor Company |
| 21V890000 17 Nov 2021 | Toyota Motor Engineering & Manufacturing |
| 21V853000 3 Nov 2021 | Volkswagen Group of America, Inc. |
NHTSA recalls (public domain) · all recalls of 2021