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:

Transmission Control Module (TCM) Supply Voltage is between 10-16 volts.
Engine speed (Controller Area Network (CAN) Message) is greater than 550 RPM.
No run position switch DTCs set.
No shift range sensor DTCs set.
No output speed sensor DTCs set.
The shift range indicator is not in the park or neutral position.
One or more of following failures is present.
- Turbine speed sensor failure.
- Cyclic Redundancy Check (CRC) message failure between the TCM and ESC.
- Message Counter (MC) message failure or between the TCM and ESC.
- Loss of communication failure between TCM and ESC.
- Wheel speed Signal Not Available (SNA) failure.
- Output speed is greater than 807 RPM.