DTC P1112 - Intake Air Temperature Below Minimum Threshold

Conditions for setting dtc P1112

Engine Running
Intake Air Temperature Sensor ≤ -31 °F
The above must be present for a period of 128 instances/cycles or greater to trigger DTC P1112

NOTE: This DTC will be triggered when the air intake is much hotter than normal. The most common cause of low air intake temperature is when a problem with the air intake system is present. Ensure the air intake system is free from any and all obstructions, contamination, and physical damage.

NOTE: If none of the above are present, follow the Diagnostic steps for DTC P0112.