Set Condition:
WARNING: This page is about a different car, the 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
The key-on test fails if the EGR Outlet Temperature Sensor value is different than the key on Engine Coolant Temperature Sensor and Inlet Air Temperature Sensor by more than a calibrated threshold. The engine running test fails if the EGR Outlet Temperature Sensor value does not change by more than a calibrated threshold, over a calibrated period of time.