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Home >> Oldsmobile >> 1987 >> Ninety-Eight V6-231 3.8L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Vehicle Speed Sensor >> Description and Operation
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Vehicle Speed Sensor: Description and Operation



The VSS sends a pulsating voltage signal to the ECM, which the ECM converts to MPH. This sensor mainly controls the operation of the Torque Converter Clutch. (TCC) system.