Conditions For Running DTC

WARNING: This page is about a different car, the 2003 GMC Envoy XL and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0101, P0102, P0103, P0112, P0113, P0116, P0117, P0118, P0125, P0500, P0502, P0503, P1111, P1112, P1114, or P1115 are not present.
The start-up engine coolant temperature is less than 158°F (70°C).
The Air Intake Temperature (IAT) sensor is 19°F (-7°C) or more.
The engine is running more than 2 minutes and less than 27 minutes.
The vehicle speed is more than 5 MPH for more than 1.5 miles.
The mass airflow (MAF) average reading is between 20-75 g/s with an average of more than 15 g/s.
The diagnostic has not previously run this ignition cycle.