When Monitored

WARNING: This page is about a different car, the 2016 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 and 16 volts.
The engine speed (CAN message) is greater than or equal to 550 RPM or the turbine speed is greater than or equal to 550 RPM.
Ignition switch Run position signal is detected via dedicated circuit to TCM.
No ignition switch DTCs set.
No output speed sensor DTCs set.
No turbine speed sensor DTCs set.
No linear solenoid DTCs set.
No ON/OFF solenoid DTCs set.
No hydraulic pressure circuit DTCs set.
No transmission range sensor DTCs set.
The transmission range sensor is in the Drive position.
The transmission is not currently shifting.
The transmission sump temperature is greater than or equal to -19° C (-2° F) for 1st, 2nd, 3rd, and 4th gears.
No gear ratio failures for any previously commanded gears.