Conditions for Running the DTC

WARNING: This page is about a different variant/trim than selected.

Before the ECM can report DTC P2177 or P2179 failed, DTCs P0101, P0121, P0122, P0123, P0133, P0153, P0221, P0222, P0223, P0336, P0338, P0443, P0458, P0459, P0461, P0462, P0463, P2066, P2067, and P2068 must run and pass.
The fuel system is in closed loop.
The long fuel trim is active.
The engine coolant temperature (ECT) is more than 60°C (140°F).
The evaporative emission (EVAP) canister purge solenoid valve is not enabled.
The intake air temperature (IAT) is less than 60°C (140°F).
The fuel level is more than 11.6 percent.
The amount of air flow into the engine is more than 7,000 grams.
DTC P2177 and P2179 run continuously once the above conditions are met for at least 300 seconds.