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.
- OTHER DTCS
- Ignition on engine off.
- With the scan tool, erase DTCs.
- Turn the ignition off for 75 seconds.
- Start the vehicle. It may be necessary to drive vehicle to reset DTC.
- With the scan tool, read DTCs.
Do you have any additional EGR related DTCs?
Yes
- Repair all other EGR DTCs and retest.
No
- Go To 2
- POWERTRAIN CONTROL MODULE
- Disconnect all PCM 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 PCM 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 Freeze Frame and 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 PCM DTCs.
Did the DTC return?
Yes
- Replace the Powertrain Control Module (PCM) in accordance with the Service Information. Refer to MODULE, POWERTRAIN CONTROL, 6.7L DIESEL, REMOVAL .
- Perform the PCM VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
No
- Test complete.
- Perform the PCM VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .