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Home >> Hyundai >> 2009 >> Sonata GLS, 3.3 F >> Repair and Diagnosis >> Brakes >> Traction Control >> ESC (Electronic Stability Control) System >> Troubleshooting for DTC >> C1503 TCS/ESP Switch error >> Monitor Scantool Data

Monitor Scantool Data

  1. Connect scantool to Data Link Connector (DLC).
  2. Ignition "ON" & Engine "OFF".
  3. Press the ESC SWITCH.
  4. Monitor the "ESP OFF SWITCH" parameter on the scantool.
    Fig 1: Screen Display - Monitor Scantool Data
    G06109265Courtesy of HYUNDAI MOTOR CO.

    Normal Data

  5. Whenever the switch is pushed up/down, is the esp off switch's scantool data changed ON/OFF?

    YES 

    • Fault is intermittent caused by poor connection in 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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