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Home >> Chevrolet >> 2000 >> Express 1 Ton Van V8-6.5L DSL Turbo VIN F >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> Vehicle Speed
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Vehicle Speed

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Vehicle speed is a PCM internal parameter. It is computed by timing pulses coming from the Vehicle Speed Sensor (VSS). Vehicle speed is used to check the TCC lock-up speed or speedometer accuracy. The speed is displayed in both miles per hour (MPH) and kilometers per hour (km/h).