Conditions for Running the DTC

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

DTCs P0096, P0097, P0098, P0099, P0117, P0118, P0121, P0122, P0123, P0300, P0336, P0446, P0443, P0455, P0458, P0459, P0496, P2101, P2176 are not set.
The engine load is less than 40 percent manual transmission only.
Catalyst heating after a cold start is not active.
Intake air temperature greater than -10°C (+14°F).
The barometric pressure (BARO) is more than 65 kPa.
The engine is running.
DTC P0506 and P0507 run continuously when the above conditions are met.