Conditions for Running the DTC

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0112, P0113, P0182 and P0183 are not set.
The ignition must be turned OFF for 10 hours or longer.
The intake air temperature (IAT) sensor 1 is more than 10°C (50°F) at start-up.
DTC P0181 will only run once per ignition cycle until a Pass, Fail, or Disable conditions exists.