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Home >> Hyundai >> 2022 >> Palisade Calligraphy, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (9 Of 9) >> 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 FECM
  4. Faulty ECM
Enable Condition
  • Engine Run Time is more than 2s
  • Battery voltage higher than 10V
Threshold Value
  • CAN communication error with FECM
Diagnostic Time
  • Continuous
MIL ON Condition
  • No MIL On (DTC only)