Circuit/System Verification
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Turn OFF the ignition for 5 seconds.
- Turn ON the ignition, with a scan tool, select instrument panel special functions Display Test. Command the instrument panel lamps ON. Verify the traction control off lamp illuminates for at least 2 seconds and then turns off.