DTC Troubleshooting

DTC P0630: VIN Not Programmed or Mismatch

NOTE:
- Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.
- This DTC is stored only when the ECM/PCM does not have the VIN information of the vehicle. Use the HDS to input the missing VIN information.

1. Turn the ignition switch ON (II).
2. Check the VIN with the HDS.

Does the HDS show the vehicle's VIN?

YES - Go to step 5.

NO - Go to step 3.

3. Input the VIN to the ECM/PCM with the HDS.

Does the screen show COMPLETE?

YES - Go to step 5.

NO - Go to step 4.

4. Check for DTCs with the HDS.

Is DTC P062F indicated?

YES - Go to the DTC P062F troubleshooting.

NO - Go to step 9.

5. Clear the DTC with the HDS.
6. Turn the ignition switch OFF.
7. Turn the ignition switch ON (II), and wait for 5 seconds.
8. Check for Temporary DTCs or DTCs with the HDS.

Is DTC P0630 indicated?

YES - Go to step 9.

NO - Intermittent failure, the system is OK at this time. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTCs troubleshooting.

9. Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM.
10. Check for Temporary DTCs or DTCs with the HDS.

Is DTC P0630 indicated?

YES - If the ECM/PCM was updated, substitute a known-good ECM/PCM, then recheck. If the ECM/PCM was substituted, go to step 1.

NO - If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, replace the original ECM/PCM. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTCs troubleshooting.