Circuit/System Verification
WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, vehicle in PARK, observe the scan tool TCM TR SW parameter. The parameter should indicate PARK.
- If not the specified value, refer to Range Selector Displays Incorrect Range .
- Observe the scan tool TCM Brake Switch parameter while pressing and releasing the brake pedal. The parameter should change between Applied and Released.
- If the parameter does not change between the specified values, refer to Stop Lamps Malfunction .