Theory Of Operation
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 purpose of the diagnostic is to detect a disengaged park pawl when the PARK position is commanded and the conditions to engage PARK are met.
A binding or obstructed Manual Park Release (MPR) can cause this DTC to set.