Cruise Control Description and Operation: Notes
WARNING: This page is about a different car, the 2008 Buick Lucerne. 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 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 accelerator pedal
- The brake pedal position (BPP) sensor
- The body control module (BCM)
- The cruise control switches
- The engine control module (ECM) (with RPO LD8 or L37)
- The powertrain control module (PCM) (with RPO L26)
- The throttle actuator control (TAC) module (with RPO L26)
- The throttle actuator control (TAC) motor
- The vehicle speed sensor (VSS)