OBD II trouble code P0113 Intake Air Temperature Circuit High Input usually points to a bad intake air temperature (IAT) sensor, but now always. In this tutorial, I'm gonna' show you some of the basics you need to know about what DTC P0113 means and a step-by-step test on how to test it.2010 Chevrolet HHR. HHR (VIN A) Service Manual. Service manuals, electrical schematics and bulletins for 1995 to current GM vehicles. ... DTC P0112, P0113, or P0114 ...