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.
With the engine running after a cycle when a complete engine warm up was achieved, the difference between engine coolant temperature and ambient air temperature greater than 10°C (50°F), after a minimum temperature drop of 10°C (50°F) during ignition off and battery voltage greater than 10.0 volts.