DTC Parameters

WARNING: This page is about a different car, the 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Engine has been off for at least 2 minutes and 30 seconds.
Start-up ECT is less than 122°F (50°C).
IAT is between -22-113°F (-30-45°C).
If engine block heating is detected, a 25 second delay will be initiated.
ECT is less than 189°F (87°C).
At least 3 kg of air has passed through the engine.
Engine speed is more than 960 RPM.
Vehicle speed is more than 9 MPH.
Fuel cutoff is not active.
No ECT sensor or vehicle speed DTCs have been set.

DTC will set if the ECT is 51°F (10.5°C) lower than normal based on predicted measurements after a set of calculated accumulated engine airflow stages have passed.