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Home >> Hyundai >> 2019 >> Santa Fe SEL Plus, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.4L (3 Of 3) >> DTC U0109-00: Lost Communication With Fuel Pump Control Module >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN Message Monitoring
  1. Poor Connector Connection
  2. Faulty P-CAN Communication Circuit
  3. Faulty FPCM
  4. Faulty PCM
Enable Condition
  • Engine run time is more than 2s
  • Battery voltage higher than 10V
Threshold Value
  • CAN communication error with FPCM
Diagnostic Time
  • Continuous
MIL ON Condition
  • No MIL On (DTC only)
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