Circuit/System Verification
WARNING: This page is about a different car, the 2010 Pontiac G6. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, observe the scan tool Shift Lock Solenoid Command parameter. The reading should change from LOCK to UNLOCK when the brake pedal is depressed.
- Press the brake pedal several times, the vehicle operator should be able to move the shifter lever out of the park position.