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Home >> Hyundai >> 2007 >> Sonata GLS, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G4KC-GSL 2.4) >> Gasoline Engine Control System >> Engine Control Module (ECM) >> VIN Programming Procedure

VIN Programming Procedure

VIN (Vehicle Identification Number) is a number that has the vehicle's information (Maker, Vehicle Type, Vehicle Line/Series, Body Type, Engine Type, Transmission Type, Model Year, Plant Location and so forth. For more information, please refer to the GENERAL INFORMATION article). When replacing an ECM, the VIN must be programmed in the ECM. If there is no VIN in ECM memory, the fault code (DTC P0630) is set.

CAUTION: The programmed VIN cannot be changed. When writing the VIN, confirm the VIN carefully
  1. Select "Vehicle" and "Engine" (For example, TUCSON 2.0L L4).
    Fig 1: Hi-Scan Display - TUCSON
    G04810169Courtesy of HYUNDAI MOTOR CO.
  2. Select "VIN WRITING".
    Fig 2: Hi-Scan Display - ENGINE
    G04810170Courtesy of HYUNDAI MOTOR CO.
  3. Check the ECM status.
    Fig 3: Hi-Scan Display - WIN WRITING
    G04810171Courtesy of HYUNDAI MOTOR CO.
    NOTE:
    • VIRGIN: VIN is not programmed
    • LEARNT: VIN has been already programmed

    Is the ECM status "VIRGIN"?

    YES 

    • Go to next step 4.

    NO 

    • END
  4. Write the VIN with cursor, function and number keys.
    WARNING: Before pressing the "ENTER" key, confirm the VIN again because the programmed VIN cannot be changed.
    Fig 4: Hi-Scan Display - VIN WRITING
    G04810172Courtesy of HYUNDAI MOTOR CO.
  5. After verifying the written VIN, press the "ENTER" key.
  6. Turn the ignition switch OFF, and then turn ON.
    Fig 5: Hi-Scan Display - VIN WRITING
    G04810173Courtesy of HYUNDAI MOTOR CO.
  7. Verify the programmed VIN in the ECM memory.