LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Honda >> 2012 >> Insight Base >> Repair and Diagnosis >> Engine Performance >> System >> PGM-FI System >> DTC Troubleshooting >> DTC P0630: VIN Not Programmed or Mismatch
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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 (see GENERAL TROUBLESHOOTING INFORMATION ).
  • This DTC is stored only when the PCM does not have the VIN information of the vehicle. Use the HDS to input the missing VIN information.
  1. Turn the ignition switch to 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 PCM with the HDS.

    Does the HDS indicate 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  (see ).

    NO  -Go to step  9.

  5. Clear the DTC with the HDS.
  6. Turn the ignition switch to LOCK (0).
  7. Turn the ignition switch to ON (II), and wait 5 seconds.
  8. Check for Pending or Confirmed DTCs with the HDS.

    Is DTC P0630 indicated? 

    YES  -Go to step 9.

    NO  -Intermittent failure, the system is OK at this time.

  9. Update the PCM if it does not have the latest software (see PCM UPDATE  ), or substitute a known-good PCM (see SUBSTITUTING THE PCM ).
  10. Check for Pending or Confirmed DTCs with the HDS.

    Is DTC P0630 indicated? 

    YES  -If the PCM was updated, substitute a known-good PCM (see SUBSTITUTING THE PCM ), then recheck. If the PCM was substituted, go to step  1.

    NO  -If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM (see PCM REPLACEMENT  ). If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC'S TROUBLESHOOTING .