Conditions for Setting the DTC

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

The calibrated amount of engine run time has been met
The calibrated amount of engine air flow has been met
The calibrated vehicle speed and distance have been met.
The calibrated ECT of 80°C (176°F) has not been met