Set Condition
WARNING: This page is about a different car, the 2015 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
The Powertrain Control Module (PCM) detects that the absolute difference between the Fuel temperature Sensor and the Reductant Temperature Sensor is higher than a calibrated value for a 4.0 seconds. This is a two Trip Fault.