Conditions for Running the DTC

Before the engine control module (ECM) can report DTC P0496 failed, DTCs P0451, P0452, and P0453 must run and pass.
DTCs P0100, P0101, P0102, P0103, P0111, P0112, P0113, P116, P0117, P0118, P0119, P0125, P0443, P0446, P0449, P0451, P0452, P0453, P0458, P0459, P0496, P0498, P0499, P0560, P0562, P0563, P0721, P0722, P2122, P2123, P2127, P2128, P2138, P2227, P2228, and P2229 are not set.
The fuel system is in closed loop.
The engine run time is more than 16 minutes or the long term fuel trim is stable.
The vehicle speed sensor (VSS) is less than 3 km/h (2 mph).
The engine is idling.
The ignition voltage is between 10-18 volts.
The FTP is between -18.7 to +7.5 mm Hg (-10.0 to +4.0 in H2O).
The ambient air temperature is between 2-32°C (36-90°F).
The start-up engine coolant temperature (ECT) is within 10°C (18°F) of ambient air temperature
The fuel tank level is between 12-88 percent.
The volumetric efficiency is less than 35 percent.
The barometric pressure (BARO) is more than 68 kPa.
The above conditions are met for more than 4 seconds.
DTC P0496 will attempt to run up to 10 times or the test completes successfully once per ignition cycle.