Diagnostic Test
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- REFLASH PCM
- Using the scan tool, reflash the module with latest calibration.
Was the flash successful?
Yes
- Go To 2
No
- Replace the Powertrain Control Module in accordance with the service information.
- Perform the POWERTRAIN VERIFICATION TEST -6.7L. Refer to STANDARD PROCEDURE .
- Using the scan tool, reflash the module with latest calibration.
- POWERTRAIN CONTROL MODULE
- Run the engine for one minute and shut off.
- With the scan tool, read DTCs.
Did P0604 set?
Yes
- Replace the Powertrain Control Module in accordance with the service information.
- Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to STANDARD PROCEDURE .
No
- Test Complete.