Conditions for Running the DTC

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

Before the powertrain control module (PCM) can report DTC P0442 failed, DTCs P0446, P0455 and P0496 must run and pass.
DTCs P0112, P0113, P0116, P0117, P0118, P0120, P0125, P0128, P0220, P0443, P0446, P0449, P0452, P0453, P0463, P0503, P1106, P1107, P1111, P1112, P1114, P1115, P1516, P2101, P2108, P2120, P2125, P2129, P2138, P2610 are not set.
The diagnostic runs once with a 10-hour minimum between tests after a fail.
The ignition voltage is between 10-18 volts.
The intake air temperature (IAT) is between 4-30°C (39-86°F).
The engine coolant temperature (ECT) is between 4-30°C (39-86°F).
The start up IAT and ECT are within 9°C (16°F).
The barometric pressure (BARO) is more than 75 kPa.
The vehicle has been driven more than 8.4 kilometers (5.2 miles) this trip.
The fuel level is between 15-85 percent.
DTC P0442 runs once per cold start when the above conditions are met.