Conditions for Running the DTC
WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- The ignition is ON after the engine has been OFF for 10 hours.
- The intake air temperature (IAT) and engine coolant temperature (ECT) are the same.