Set Conditions:

WARNING: This page is about a different car, the 2019 RAM 3500 HD and 2019 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

The PM Sensor heater voltage does not increase enough with the exhaust gas flow changes during the cold start period before Exhaust Gas Temperature Sensor 1/5 reading goes above 200°C (392°F).