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.
- Ignition ON. Verify that no theft deterrent or automatic transmission DTCs are set that would cause the ECM to disable engine starting.
- If any DTCs are set that would cause the ECM to disable starting, then refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Clear the DTCs. Start the engine. Verify that DTC P0615 does not set.