WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
Circuit
Short to Ground
Open/High Resistance
Short to Voltage
Signal Performance
IAT Sensor Signal
P0112
P0113
P0113*
-
Low Reference
-
P0113
P0113*
-
*ECM or sensor damage may occur if the circuit is shorted to B+.