Riviera V6-3.8L SC VIN 1 (1995)
Vehicle Speed Sensor/Transducer - Cruise Control: Description and Operation
The Vehicle Speed Sensor (VSS) sends a pulsing voltage signal to the Powertrain Control Module (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.