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/PCM does not have the VIN information of the vehicle. Use the HDS to input the missing VIN information.
- Turn the ignition switch 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/PCM with the HDS.
Does the screen show COMPLETE?
YES - Go to step 5.
NO - Go to step 4.
- Check for DTCs with the HDS.
Is DTC P0603 indicated?
YES - Go to the DTC P0603 troubleshooting.
NO - Go to step 9.
- Clear the DTC with the HDS.
- Turn the ignition switch OFF.
- Turn the ignition switch 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.
- Update the ECM/PCM if it does not have the latest software (see UPDATING THE ECM/PCM ), or substitute a known-good ECM/PCM (see SUBSTITUTING THE ECM/PCM ).
- 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 (see SUBSTITUTING THE 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 (see ECM/PCM REPLACEMENT ). If any other Temporary DTCs or DTCs are indicated, go to the indicated DTCs troubleshooting.