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 CAC Temperature Sensor reads differently than the EGR Orifice Temperature Sensor and Coolant Temperature Sensor, or while the engine is running the Powertrain Control Module (PCM) does not read a change in value from the CAC Temperature Sensor over time.