Conditions for Running the DTC

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0121, P0122, P0123, P0716, P0717, P0722, P0723, or P182E are not set.
Ignition voltage is 8.6 volts or greater.
The engine speed is greater than 500 RPM.
The engine run time is greater than 5 seconds.
High Side Driver (HSD) 1 is enabled.
Accelerator pedal position signal is valid
The TCM must receive a valid torque signal from the ECM.
Throttle position is 0.5 percent or greater.
Transmission fluid temperature (TFT) is 0°C (32°F) or greater.