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.
- PCM FROM ANOTHER VEHICLE INSTALLED NOTE:
This DTC is set when a PCM from another vehicle is installed into the current vehicle.
Has another PCM been installed?
Yes
- Confirm the PCM was replaced in accordance with the Service Information. Refer to MODULE PROGRAMMING GASOLINE - 5.7L or MODULE PROGRAMMING GASOLINE - 6.4LMODULE, POWERTRAIN CONTROL, (PCM) 6.7L DIESEL, REMOVAL .
- Perform the POWERTRAIN VERIFICATION TEST. For 5.7L engine, refer to POWERTRAIN VERIFICATION TEST or for 6.4L engine, refer to POWERTRAIN VERIFICATION TEST for 6.7L engine, refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
No
- Go To 2
- OTHER CAN C MODULES SET VIN MISMATCH
- Turn the ignition on.
- With the scan tool, read DTCs.
Is the VIN Mismatch DTC set in other CAN C modules?
Yes
- Replace the PCM in accordance with the Service Information. Refer to MODULE PROGRAMMING GASOLINE - 5.7L or MODULE PROGRAMMING GASOLINE - 6.4LMODULE, POWERTRAIN CONTROL, (PCM) 6.7L DIESEL, REMOVAL .
- Perform the POWERTRAIN VERIFICATION TEST. For 5.7L engine, refer to POWERTRAIN VERIFICATION TEST or for 6.4L engine, refer to POWERTRAIN VERIFICATION TEST for 6.7L engine refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
No
- Replace the BCM in accordance with the Service Information. Refer to MODULE, BODY CONTROL (BCM), REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .