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Home >> Hyundai >> 2012 >> Elantra GLS, Automatic Trans >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System (Abs)/Electronic Stability Control (ESC) System >> DTC C1503: TCS_ESC (ESP) Switch error >> Scantool Diagnostics >> Monitor GDS Data

Monitor GDS Data

  1. Connect GDS to Data Link Connector (DLC).
  2. IG "ON".
  3. Press the ESC (ESP) SWITCH.
  4. Monitor the "ESC (ESP) Off Switch" parameter on the GDS.

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

    Fig 1: Scantool Display - Current Data
    G07272006Courtesy of HYUNDAI MOTOR CO.
  5. 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 

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