Conditions for Setting the DTC

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. 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 air flow has been met.
The minimum ECT for Closed Loop operation of 15°C (59°F) has not been met.