buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

All Technical Service Bulletins for Vehicle Speed Sensor:|8471257|Page 329 > < All Technical Service Bulletins for Vehicle Speed Sensor:|8471257|Page 327
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Vehicle Speed Sensor: Description and Operation

The Vehicle Speed Sensor (VSS)--positioned behind the speedometer in the instrument cluster--informs the ECM of vehicle speed. 

The ECM processes this information to determine when to activate or deactivate the torque converter clutch.

All Technical Service Bulletins for Vehicle Speed Sensor:|8471257|Page 329 > < All Technical Service Bulletins for Vehicle Speed Sensor:|8471257|Page 327