Set Condition
WARNING: This page is about a different car, the 2013 RAM 2500 HD and 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
The Powertrain Control Module (PCM) reads a temperature difference greater than 15°C (59°F) between the CNG Rail Temperature Sensor and either of the ECT, IAT or AAT Sensor.