Conditions For Running DTC

WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

Barometric (BARO) pressure is more than 75 kPa.
Fuel level is 25-75 percent.
Engine Coolant Temperature (ECT) and Intake Air Temperature (IAT) sensor are near the same temperature at engine start.
ECT sensor is at least 165°F (74°C) after engine warm up.