When Monitored

WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic runs during a decel fuel shutoff event, after the following conditions were met:

Vehicle speed above 96 km/h (60 mph).
Throttle open for a minimum of 120 seconds.
Coolant temperature greater than 70°C (158°F).
Catalytic Converter temperature greater than 600°C (1112°F).