Audi · United States · High
Audi E-Tron: Service brakes — hydraulic
Affects Audi E-Tron · 2020–2021 — about 498 vehicles.
The hazard
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.
What to do
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.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational