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Home >> Genesis >> 2017 >> G90 5.0 Ultimate, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Control Diagnosis >> DTC C1503-01: TCS Switch Error >> DTC Inspection >> Monitor DTC Status
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

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.
  4. Is parameter displayed "History (Not Present) fault"?

    YES 

    • Fault is intermittent caused by poor connection in ESP (ESC) 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 Repair  procedure.

    NO 

    • Go to next step.
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