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Home >> Saturn >> 1996 >> SC2 Automatic, MP6 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Diagnosis >> Testing >> DTC P0722 - No Vehicle Speed Sensor Input >> Circuit Description
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Circuit Description

When vehicle speed is greater than 3 MPH, Vehicle Speed Sensor (VSS) produces 16 electrical pulses per turbine shaft revolution. PCM detects vehicle speed by counting pulses from VSS.