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Home >> Genesis >> 2020 >> G90 5.0 Ultimate, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Control Diagnosis >> DTC C1638-08: ACC/SCC Communication Error >> Component Inspection

Component Inspection

  1. Turn "OFF" the ignition switch.
  2. Connect GDS to Data Link Connector (DLC).
  3. Turn "ON" the ignition switch.
  4. Using a GDS, Clear DTC.
  5. Select "Diagnostic Trouble Codes (DTCs)" mode again.
  6. Are any DTCs present?

    YES 

    • Replace the faulty module with a new one and see if it properly operates. If the problem is cleared, put the new module in place and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

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