Conditions for Running the DTC: P0A02

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0112 or P0113 are not set.
The engine is running for greater than 10 seconds.
The Intake Air Temperature Sensor (IAT) is greater than 70°C (158°F).
This DTC runs continuously when the above conditions are met.