When Monitored

WARNING: This page is about a different car, the 2016 RAM 3500 HD and 2016 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic runs continuously when the following conditions are met:

After the ignition is off for a calibrated time
Fuel level less than 88%
Ambient temperature between 4°C and 43°C (39°F and 109°F)
Elevation is below 8000 feet