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Home >> Audi >> 2001 >> S4 Quattro, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Vehicle Speed Signal Sensor
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Vehicle Speed Signal Sensor

Vehicle speed signal is generated by speedometer Vehicle Speed Sensor (VSS), located in transmission. VSS signal is sent to instrument cluster and processed. VSS signal is used for idle stabilization, and tip-in shock reduction during shifting.