Diagnostic Test

WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

CHECK RELATED HARNESS CONNECTIONS

Disconnect all DTCM harness connectors.
Disconnect all related in-line harness connections (if equipped).
Disconnect the related component harness connectors.
Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
- Proper connector installation.
- Damaged connector locks.
- Corrosion.
- Other signs of water intrusion.
- Weather seal damage (if equipped).
- Bent terminals.
- Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
- Terminals that have been pushed back into the connector cavity.
- Perform a terminal drag test on each connector terminal to verify proper terminal tension.
Repair any conditions that are found.
Reconnect all DTCM harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
With the scan tool, erase DTCs.
Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
With the scan tool, read DTCM DTCs.
Did the DTC return?

Yes
- Replace the DTCM in accordance with the Service information. Refer to MODULE, DRIVETRAIN CONTROL (DTCM), REMOVAL .
- Perform the DTCM VERIFICATION TEST. Refer to DTCM VERIFICATION TEST .
No
- The wiring or poor connection problem has been repaired.
- Perform the DTCM VERIFICATION TEST. Refer to DTCM VERIFICATION TEST .