DTC P0630: VIN Not Programmed or Mismatch
- 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 ECM does not have the VIN information of the vehicle. Use the HDS to input the missing VIN information.
- Turn the ignition switch to ON (II).
- Check the VIN with the HDS.
Does the HDS show the vehicle's VIN?
YES -Go to step 5.
NO -Go to step 3.
- Input the VIN to the ECM with the HDS.
Does the screen show COMPLETE?
YES -Go to step 5.
NO -Go to step 4.
- Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0603 indicated?
YES -Go to the DTC P0603 troubleshooting (see DTC P0602: ECM PROGRAMMING ERROR ).
NO -Go to step 9.
- Clear the DTC with the HDS.
- Turn the ignition switch to LOCK (0).
- Turn the ignition switch to ON (II), and wait 5 seconds.
- 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 DTC's troubleshooting.
- Update the ECM if it does not have the latest software (see ECM UPDATE ), or substitute a known-good ECM (see SUBSTITUTING THE ECM ).
- Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0630 indicated?
YES -If the ECM was updated, substitute a known-good ECM (see SUBSTITUTING THE ECM ), then recheck. If the ECM was substituted, go to step .
NO -If the ECM was updated, troubleshooting is complete. If the ECM was substituted, replace the original ECM (see ECM REPLACEMENT ). If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.