When Monitored
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
After a successful regeneration event of the PM Sensor Probe measuring electrodes and the sensor transitions into measurement mode. The ambient air temperature must also be above -6.7°C (20°F). A regeneration event will occur when the Exhaust Gas Temperature Sensor 1/5 (SCR Catalyst Outlet) reading goes above 200°C (392°F), and there are no other PM Sensor related DTCs. A steady state drive cycle will run this diagnostic.