Conditions for Setting the DTC

WARNING: This page is about a different car, the 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

The calibrated amount of air flow has been met.
The calibrated amount of engine run time has been met.
The calibrated vehicle speed and distance have been met.
The minimum ECT for Closed Loop of 8°C (46°F) has not been met.