Cutlass V6-191 3.1L VIN M SFI (1998)
Vehicle Speed Sensor: Description and Operation
Description
The Vehicle Speed Sensor (VSS) sends a pulsing voltage signal to the PCM which the PCM converts to miles per hour. This sensor mainly controls the
operation of the Torque Converter Clutch (TCC), shift solenoids, and cruise control systems. There are several different types of vehicle speed sensors.