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, P0036, P0050, P0056, P0117, P0118, P2414, and P2415 are not set.
The engine is operating for more than 90 seconds.
The ignition 1 voltage is between 10.5-16 volts.
The engine coolant temperature (ECT) is more than -20°C (-4°F).
The system is not in fuel cut-off mode for at least 15 seconds.
DTCs P0135 and P0155 run continuously once the above conditions are met.