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Home >> Audi >> 2002 >> S4 Quattro, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 2.7L Turbo >> Diagnostic Tests >> DTC P0571/16955 >> Notes

DTC P0571/16955: Notes

  1. DTC P0571/16955

    Cruise/Brake Light Switch - Incorrect Signal
NOTE: For safety reasons, throttle valve operation is suppressed when brake pedal is pressed. If brake pedal and accelerator pedal are pressed simultaneously, engine speed is immediately regulated to idle speed. A faulty switch can lead to undesired throttle regulation.