GM Service Manual Online
For 1990-2009 cars only

Cruise Control Module


Object Number: 315321  Size: SH

The cruise control system uses a cruise control module in order to obtain and hold any desired vehicle cruise speed above a minimum speed of 40 km/h (25 mph). This is done with the aid of the following 2 components:


Object Number: 315308  Size: MH

Electronic Controller

The electronic controller monitors the following items:

    • The vehicle speed
    • The turn signal and multifunction switch
    • The cruise control release and brake switch inputs

The electronic controller operates the electric stepper motor.

Stepper Motor

The stepper motor moves an internal band in response to the controller in order to maintain the desired cruise speed. The internal band is linked to the throttle lever via the cruise control cable.