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Home >> Kia >> 2009 >> Optima EX, 2.7 4 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.7L >> Engine Control Module (ECM) >> Repair Procedures >> ECM Problem Inspection Procedure >> 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. 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, Sedona 3.5L V6).
    Fig 1: Screen Display - Select "Vehicle"
    G06415789Courtesy of KIA MOTORS AMERICA, INC.
    Fig 2: Screen Display - Select "Engine" (Sedona 3.5L)
    G06415790Courtesy of KIA MOTORS AMERICA, INC.
  2. Select "VIN WRITING".
    Fig 3: Screen Display - Select "VIN WRITING"
    G06415791Courtesy of KIA MOTORS AMERICA, INC.
  3. Check the ECM status.
    Fig 4: Screen Display - ECM Status
    G06415792Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • VIRGIN: VIN is not programmed
    • LEARNT: VIN has been already programmed

    Is the ECM status "VIRGIN"?

    YES 

    • Go to 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 5: Screen Display - Press "ENTER" Key (1 Of 2)
    G06415793Courtesy of KIA MOTORS AMERICA, INC.
    Fig 6: Screen Display - Press "ENTER" Key (2 Of 2)
    G06415794Courtesy of KIA MOTORS AMERICA, INC.
  5. After verifying the written VIN, press the "ENTER" key.
  6. Turn the ignition switch OFF, then back ON.
    Fig 7: Screen Display - Turn Ignition Switch OFF And Back ON
    G06415795Courtesy of KIA MOTORS AMERICA, INC.
  7. Verify the programmed VIN in the ECM memory.