Conditions For Running DTC

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

DTCs P0101, P0102, P0103, P0112, P0113, P0116, P0117, P0118, P0502, P0503, P1111, P1112, P1114, or P1115 are not set.
The engine is running.
The start-up ECT is less than 104°F (40°C).
The ECT is more than -40°F (-40°C).
The intake air temperature is more than -40°F (-40°C) but less than 104°F (40°C).
The vehicle speed is more than 1 MPH.