When Monitored
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 follow conditions must be to enable the monitor: 1. Engine running; 2. CNG fuel mode commanded on; 3. CNG Shut off Relay energized; 4. Engine coolant temperature above 80°C (176°F) for 45.0 seconds; 5. No Fuel Rail Temperature Sensor circuit faults active.