Conditions for Setting the DTC
WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0112
The ECM detects that the IAT is greater than 149°C (300°F) for greater than 5 seconds.
DTC P0113
The ECM detects that the IAT is less than -39°C (-38°F) for greater than 5 seconds.