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Home › Hyundai › 2010 › Elantra GLS › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (2 Of 2) › DTC P0630: VIN Not Programmed or Incompatible-ECM PCM › Inspection Repair › System Inspection

System Inspection

  1. Was the ECM just replaced or reflashed?

    YES 

    • Using a scan tool, perform "VIN WRITING" procedure. Refer to the latest Reference manual for scan tool and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Using a scan tool, read VIN information.

    If there is no proper VIN information, perform "VIN WRITING" procedure.

    If VIN information exists, substitute with a known-good ECM and check for proper operation. If the problem is corrected, replace ECM.

    And go to "VERIFICATION OF VEHICLE REPAIR " procedure.

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