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Home >> Genesis >> 2019 >> G90 3.3T Premium, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 3.3L (6 Of 6) >> DTC U0109: Lost Communication With Fuel Pump Control Module >> Component Inspection

Component Inspection

  1. Connect GDS and select "Diagnostic Trouble Codes (DTC)  " mode.
  2. IG "ON".
  3. Using a GDS, Clear DTC.
  4. IG "OFF".
  5. Disconnect ECU's connector connected to P-CAN bus.
  6. IG "ON".
  7. Connect GDS and select "Diagnostic Trouble Codes (DTC)  " mode.
  8. Are any DTCs present?

YES 

NO