Conditions For Running DTC

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0440, P0442, P0446, P0452, or P0453 are not set.
The ignition voltage is between 10-18 volts.
The Barometric (BARO) pressure is more than 75 kPa.
The fuel level is between 15-85 percent.
The Engine Coolant Temperature (ECT) is between 39-86°F (4-30°C).
The Intake Air Temperature (IAT) is between 39-86°F (4-30°C).
The start up ECT and IAT are within 16°F (9°C) of each other.
The Vehicle Speed Sensor (VSS) is less than 75 MPH.