Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The scan tool display range is between -40 and +150°C (-40 and +302°F).
P0112
The ECM detects that the IAT sensor signal is warmer than 149°C (300°F) for at least 5 s.
P0113
The ECM detects that the IAT sensor signal is colder than -60°C (-76°F) for at least 5 s.
P0114
Where this DTC is used, the ECM detects that the IAT sensor signal is intermittent or has abruptly changed for at least 5 s.