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Home >> Hyundai >> 2018 >> Elantra GT Base, Automatic Trans >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Control System Diagnosis >> DTC C1503-01: TCS Switch Error >> DTC Inspection >> Monitor DTC Status

Monitor DTC Status

  1. Connect GDS and select "Diagnostic Trouble Codes (DTC)" 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.
    G12636632Courtesy of HYUNDAI MOTOR AMERICA
  4. Is parameter displayed "History (Not Present) fault"?

    YES 

    • Fault is intermittent caused by poor connection in brake light switch line and/or HECU's connector or was repaired and HECU memory was not cleared. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Go to next step.
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