When Monitored
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 monitor will run when the following enable conditions are met; 1. No CNG Rail Pressure Sensor circuit faults active; 2. Engine running; 3. Engine coolant temperature above -7°C (19.4°F) 4. CNG fuel mode commanded on; 5. CNG Relay energized; 6. A change in engine speed while in CNG fuel mode of more than 1500 RPMs; 7. A change in vehicle speed while in CNG fuel mode of more than 45 mph.