Cruise Control Description and Operation (4.3L): Notes
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Cruise control is a speed control system that maintains a desired vehicle speed under normal driving conditions at vehicle speeds above 40 km/h (25 mph). Steep grades may cause variations in the selected vehicle speeds.
The following are the main components of the cruise control system:
- The powertrain control module (PCM)
- The On/Off switch
- The Resume/Accel. Switch
- The Set/Coast Switch
- The stop lamp switch
- The torque converter clutch (TCC) brake switch
- The cruise control module
- The clutch pedal position (CCP) switch, if equipped with a manual transmission
- The vehicle speed sensor