Set Condition
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
The PCM Detects That The Diesel Oxidation Catalyst (Doc) Inlet Temperature Sensor Reading Is Not Increasing With Engine Operating Temperature After Engine Startup. The Average Temperature Drop Across The Doc/Dpf Is Greater Than A Calibrated Threshold.