Conditions for Setting the DTC
WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
The ECM detects that the actual amount of accumulated air flow is greater than the predicted amount of accumulated air flow before the ECT reaches 80°C (176°F).