Lumina V6-3100 3.1L VIN M SFI (1995)
Vehicle Speed Sensor: Description and Operation
Vehicle Speed Sensor (VSS)
PURPOSE
The Vehicle Speed Sensor (VSS) sends a pulsing voltage signal to the Powertrain Control Module (PCM) which the PCM converts to km/h /
mph. This sensor mainly controls the operation of the Torque Converter Clutch (TCC) system.