When the wheel speed sensor in your Audi is failing, it is common that a warning sign illuminates on your dashboard as you drive.
This component is also known as an ABS sensor. Its job is to monitor various vehicle functions such as the anti-lock braking systems, traction control and vehicle’s speed. (The wheel speed sensor is different from the speed sensor).
When the wheel speed sensor is faulty or broken, it affects the ABS System. The speed sensor is responsible for relaying the wheel speed to the ECU so that the ABS can apply the appropriate pressure safely.