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 when the following conditions are met:

With the engine running.
Vehicle speed between 32 and 88 km/h (20 and 55 mph).
Throttle open for a minimum of 120 seconds.
ECT greater than 70°C (158°F).
Catalytic Converter Temperature greater than 600°C (1112°F).
EVAP Purge active.