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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> General Information >> Steering >> Map - Steering, Suspension, Wheel Alignment, Wheels & Tires >> Steering And Suspension, Wheel Alignment, Wheels And Tires >> Dynamic Stability Traction Control

Dynamic Stability Traction Control

NOTE: An evolution of ABS and Traction Control. It uses the ABS hardware and two additional sensors: a steering-wheel angle sensor, which measures the position and rate of steering wheel input, and a yaw sensor, which measures the rate at which the vehicle is actually turning. By comparing rates, computer determines if the vehicle is oversteering or understeering.
NOTE: On slippery surfaces or during aggressive maneuvers, if the vehicle understeers severely, the computer will actuate the brakes on the inside rear wheel, just hard enough and just long enough to correct the steering behavior. When the vehicle oversteers severely, the system will brake the outside front wheel instead.
NOTE: When servicing this system, OEM may require steering angle sensor be calibrated to the vehicle thrustline.