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Home >> Oldsmobile >> 1997 >> LSS V6-3.8L SC VIN 1 >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Vehicle Speed Sensor >> Description and Operation >> General Description
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General Description

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 TCC, shift solenoids, and cruise control systems. There are several different types of vehicle speed sensors. A scan tool display should closely match with speedometer reading with drive wheels turning.