Conditions for Running the DTC

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

Before the engine control module (ECM) can report DTC P0496 failed, DTC P0451 must run and pass.
DTCs P0101, P0102, P0103, P0112, P0113, P0117, P0118, P0121, P0122, P0123, P0125, P0221, P0222, P0223, P0443, P0446, P0449, P0451, P0452, P0453, P0458, P0459, P0451, P0452, P0453, P0498, P0499, P0560, P0562, P0563, P0722, P0723, P2122, P2123, P2127, P2128, and P2138 are not set.
The fuel system is in closed loop.
The vehicle speed sensor (VSS) is less than 3 km/h (2 mph).
The engine is idling.
The ignition 1 voltage is between 10.5-18 volts.
The FTP is between -2.5 and +1.0 kPa.
The ratio between the ambient pressure and the calculated manifold pressure is less than 0.55.
The start-up engine coolant temperature (ECT) is between 4-65°C (39-149°F).
The start-up intake air temperature (IAT) is between 4-30°C (39-86°F).
The fuel tank level is between 15-85 percent.
The barometric pressure (BARO) is more than 68 kPa.
DTC P0496 runs once an ignition cycle. The ECM will attempt to run this diagnostic up to 10 times an ignition cycle.