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Home >> Kia >> 2012 >> Optima LX, Automatic Trans >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Control System Diagnosis - Except HEV >> DTC C1503: TCS ESC (ESP) Switch Error >> Scantool Diagnostics >> Monitor Scantool Data >> Monitor GDS Data

Monitor GDS Data

  1. Connect GDS and select "DTC Analysis" mode
  2. Confirm that "DTC Readiness Flag" indicates "COMPLETED". If not, drive the vehicle within conditions noted in the freeze frame data or enable conditions.
  3. Read "DTC Status"parameter in DTC menu of the GDS.
  4. Fig 1: Scantoll Display - DTC Information
    G00535598Courtesy of KIA MOTORS AMERICA, INC.
  5. Is parameter displayed "History(Not Present) fault" ?

    YES 

    Fault is intermittent caused by poor connection and/or HECU's connector or was repaired and HECU 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

    Specification :  ESC (ESP) switch parameter changed ON / OFF starts.

    Fig 2: Monitoring ESC (ESP) Off Switch Parameter On GDS
    G07384834Courtesy of KIA MOTORS AMERICA, INC.
  6. Whenever the switch is pushed up/down, is the ESC (ESP) off switch's GDS data changed ON/OFF?

    YES 

    • Fault is intermittent caused by poor connection in ESC (ESP) switch line or was repaired and HECU 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