Circuit/System Verification
WARNING: This page is about a different car, the 2008 Saturn Sky and 2008 Pontiac Solstice. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Inspect for proper operation of the cruise control system. Do not perform this diagnostic if DTC B3794 is stored in the BCM or if the cruise control system is malfunctioning. Refer to DTC B3794 if this DTC is set in the ECM as current or history or to Cruise Control Malfunction .
Ignition ON, observe the cruise control indicator while applying the cruise on/off switch. The indicator should turn on and off accordingly with the applied switch.