When Monitored

WARNING: This page is about a different car, the 2019 RAM 3500 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:

The TCM supply voltage is between 10.0 and 16.0 volts.
Engine speed (CAN Message) is greater than 550 RPM.
No ignition switch DTCs set.
No CAN bus DTCs.
No turbine speed sensor electrical failures.
There are no transmission range sensor failures.
Shift position is not in park or neutral.
TCM is not in neutral control mode for a calibrated amount of time.
The transmission is not currently shifting and more than 500ms since previous shift.