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Home >> Hyundai >> 2017 >> Azera Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Control (ESC) System Diagnosis >> DTC C1503: TCS/ESC (ESP) Switch Error >> Scantool Diagnostics >> Monitor GDS Data
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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: Monitoring ESC (ESP) OFF Switch Parameter On GDS
    G12086593Courtesy of HYUNDAI MOTOR AMERICA
  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