HERNDON, Va. – Volkswagen Group of America is recalling certain 2021 model-year Audi e-tron Quattro and e-tron Quattro Sport Backs to remedy a potentially faulty brake servo which could result in loss of power brake assist.
The 38 vehicles affected by the recall could have a brake servo not manufactured to specification which could result in corrosion within the booster leading to impairment of the anti-lock braking system (ABS), electronic stability control (ESC) and the speed indicator in the instrument cluster, as reported in the National Highway Traffic Safety Administration Part 573 Safety Recall Report 21V-707.
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According to NHTSA, the safety risk is “Full mechanical braking without brake boost is still possible but customers may experience increased brake pedal effort, hard brake pedal, an extended braking distance. In combination with the loss of ABS and ESC functionalities, this could increase the risk of a crash.”
There have been no reported accidents related to this condition.
The remedy will be replacement of the brake booster at no cost to the owner by an authorized Audi dealer.
Dealers and owners are scheduled to begin receiving notification of the recall Nov. 12th.