Set Condition
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
At key on engine off, the Intake Air Temperature Sensor reads differently than the Engine Coolant Temperature Sensor and EGR Orifice Temperature Sensor, or while the engine is running the PCM does not read a change in value from the Intake Air Temperature Sensor over time.