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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 5.0L (9 Of 9) >> DTC U0109-00: Lost Communication With Fuel Pump Control Module >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN communication status check
  1. FPCM faulty
  2. CAN communication line between ECM and FPCM
Enable Condition
  • Battery voltage is higher than 10.8V
  • Turn ignition switch ON
Threshold Value
  • Duration of communication lost with FPCM is higher than 4 sec
Diagnosis Time
  • Continuous
MIL On Condition
  • 2 driving cycle
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