U.S.: 1-800-243-8872
TTY Users (U.S. Only): 1-888-889-2438
Canada: 1-800-268-6800
As the owner of a new Chevrolet, you are automatically enrolled in the Roadside Assistanceprogram.
SeeRoadside Assistance Program.
Using this Manual
Scan Tool Snapshot ProcedureDrive Range, First Gear Automatic Transmission Unit
As the vehicle speed increases, the transmission control module-(TCM) receives inputsignals from the automatic transmission input and output speed sensors, throttle positionsensor and other vehicle sensors to determine the precise moment to deenergize or“turn off” shift solenoid-1 and command OF ...