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Home >> Kia >> 2015 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) - 2.4L (Except HEV) >> DTC P0605: Internal Control Module Read Only Memory (ROM) Error >> DTC Inspection >> Monitor DTC Status
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Monitor DTC Status

  1. Connect GDS and select "DTC Analysis" mode.
  2. Click "DTC Status" on the menu bar to view DTC's information.
  3. Confirm that "DTC Readiness Flag" indicates "COMPLETED". If not, drive the vehicle within conditions noted in the freeze frame data or enable conditions.
  4. Read "DTC Status" parameter.
    Fig 1: Monitoring DTC Status
    G07386728Courtesy of KIA MOTORS AMERICA, INC.
  5. Is parameter displayed "History (Not Present) Fault"?
    NOTE:
    • History (Not Present) fault : DTC occurred but has been cleared.
    • Present fault : DTC is occurring at present time.

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or PCM's connector or was repaired and PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Go to next step as indicated below.
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