Circuit/System Verification
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Verify that the interior backlighting system operate normally. Refer to Interior Lighting Systems Description and Operation .
- Ignition ON, install a scan tool and verify that DTC P260D is not set as current.
- If the specified DTC is set as current, refer to DTC P260D .
- Ignition ON, with the scan tool, command the PTO Indicator ON and OFF. The PTO indicator in the PTO switch should illuminate ON and OFF accordingly.
- If the indicator is illuminates ON and OFF accordingly, replace the PTO module.