Diagnostic Test

WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

POWERTRAIN CONTROL MODULE (PCM)

NOTE:

Check the PCM power and ground circuits before continuing.

The Powertrain Control Module is reporting communication internal errors with the integrated Transmission Control Module, view repair to continue.

Repair

Replace and program the Powertrain Control Module in accordance with the service information. Refer to MODULE, POWERTRAIN CONTROL, REMOVAL . Refer to PCM/ECM REPROGRAMMING - GAS .
Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .