Conditions for Running the DTC
WARNING: This page is about a different car, the 2005 GMC Yukon XL, 2005 Chevrolet Suburban, and 2005 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- The engine is running and the engine speed is less than 4,000 RPM.
- This diagnostic runs continuously when the above conditions are met.