When Monitored

WARNING: This page is about a different car, the 2016 RAM 3500 HD and 2016 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic runs continuously when the following conditions are met:

Battery voltage greater than 11.0 volts.
Fuel level greater than 12%.
Odometer mileage greater than 24.6 miles.
No other active DTCs for O2 Sensor or Fuel Injector.
Downstream O2 Sensor in closed loop mode.