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Home >> Hyundai >> 2021 >> Veloster N Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC U0109-00: Lost Communication With Fuel Pump Control Module >> DTC Information And Inspection >> Monitor DTC status
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Monitor DTC status

  1. Connect GDS and select 'DTC Analysis' mode.
  2. Select 'Diagnostic Trouble Codes (DTC)' button, Press 'DTC Status' to check DTC information from the DTCs menu.
  3. Confirm that 'DTC Readiness Flag' indicates 'COMPLETED'. If not, drive the vehicle within conditions noted in the freeze frame data or enable conditions.
  4. Read 'DTC Status' parameter.
  5. Record all DTCs, DTC status and freeze frame data. Does DTC Status indicate 'Present'?
    NOTE:
    • History (Not Present) fault: DTC occurred but has been cleared.
    • Present fault: DTC is occurring at present time.

    YES 

    NO