Conditions for Running the DTC

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0030, P0050, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0122, P0123, P0125, P0135, P0155, P0171, P0172, P0174, P0175, P0222, P0223, P0300-P0306, P0335, P0401, P0404, P0443, P0496, P0506, P0507, P1128, P1129, P2100, P2101, P2108, P2122, P2123, P2127, P2128, P2135, P2138, P2176, P2227, P2228, P2229, P2413, P2414, P2415, and U0107 are not set.
The engine speed is less than 5,000 RPM.
The engine coolant temperature (ECT) is between -7 and +35°C (+20 to +95°F) at start-up.
The intake air temperature (IAT) sensor 2 is between -7 and +35°C (+20 to +95°F) at start-up.
The difference between IAT temperature and ECT temperature at engine startup is less than 6°C (10°F).
DTC P0128 runs once per drive cycle when the above conditions are met.