DTC P0630: VIN Not Programmed or Mismatch
- Before you troubleshoot, record all freeze data and any on-board snapshot, and review 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 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/PCM with the HDS.
Does the screen show COMPLETE?
YES: Go to step 5.
NO: Go to step 4.
- Check for Confirmed DTCs with the HDS.
Is DTC P062F indicated?
YES: Go to the DTC P062F troubleshooting (see DTC P062F: ECM/PCM INTERNAL CONTROL MODULE KEEP ALIVE MEMORY (KAM) 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 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.
- Update the ECM/PCM if it does not have the latest software (see ECM/PCM UPDATE ), or substitute a known-good ECM/PCM (see SUBSTITUTING THE ECM/PCM ).
- Check for Pending or Confirmed 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 Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.