Conditions For Running DTC

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

DTCs P0105, P0107, P0108, P0112, P0113, P0117, P0118, P0122, P0123, P0125, P0131, P0132, P0133, P0134, P0135, P0452, P0453, P0502, P0601, P0602, or P1621 not set.
Engine is running.
EVAP vent solenoid is commanded ON (closed).
EVAP purge solenoid is commanded OFF (closed).
Fuel level is 15-85 percent.
Barometric Pressure (BARO) is greater than 21.3 in. Hg (75 kPa).
Engine Coolant Temperature (ECT) and Intake Air Temperature (IAT) are 39°-86°F (4°-30°C) at engine start-up.
ECT and IAT are within 15°F (8°C) of each other.
Vehicle speed is less than 70 MPH (113 km/h).
Throttle Position (TP) is 10-35 percent.
DTC P1441 diagnostic runs once per ignition cycle, usually for 30 seconds if no faults exist, during the EVAP diagnostic system test.