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Home >> Hyundai >> 2012 >> Elantra GLS, Standard Trans >> 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
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System Inspection

  1. Was the PCM just replaced or reflashed?

    YES 

    Using a GDS, 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 PCM and check for proper operation. If the problem is corrected, replace PCM.

    And go to "VERIFICATION OF VEHICLE REPAIR " procedure.

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