Set Condition
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
The Powertrain Control Module (PCM) will set this fault if it detects that the DOC/DPF Catalyst closed loop control fueling adjustment has reached it's maximum allowable fueling but is unable to reach the target regeneration temperature.