Conditions for Running the DTC

WARNING: This page is about a different car, the 2008 GMC Sierra and 2008 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0122, P0123, P0128, P0171, P0172, P0174, P0175, P0201, P0202, P0203, P0204, P0205, P0206, P0220, P0222, P0223, P0300, P0443, P0502-if applicable, P0503-if applicable, P1174, P1175, or P2135, is not set.
The engine is idling for more than 1 second.
The engine coolant temperature (ECT) is more than -40°C (-40°F).
The intake air temperature (IAT) is more than -40°C (-40°F).
The barometric pressure (BARO) is more than 72 kPa.
The system voltage is between 9-18 volts.
The vehicle speed is less than 4.8 km/h (3 mph).
DTC P0506 and P0507 run continuously when the above conditions are met.