HERNDON, Va. – Volkswagen Group of America has agreed to recall certain 2020-2021 model-year Audi E-tron vehicles which might lose anti-lock braking (ABS), electronic-stability control (ESC) and some brake boost during hard braking due to a fault within the ABS control unit.

The recall covers 498 vehicles – 119 Audi E-tron Sportback Quattro and 379 Audi E-tron Quattro – produced between May and December of 2020.

According to the National Highway Traffic Safety Administration Part 573 Safety Recall Report 21V-569, the rotor and shaft within the ABS hydraulic control unit might not have been welded to specification, thus might separate during a hard-braking maneuver.

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The consequences of this, according to NHTSA, might be: “During a hard braking maneuver, a reduction in brake assistance (brake boost) could lead to an extended stopping distance. In combination with a loss of ABS and ESC functionalities, this could increase the risk of a crash.”

The remedy will consist of replacing the brake booster.

Dealers and customers are scheduled to receive notification of the recall beginning Sept. 24, 2021.