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Home >> Hyundai >> 2021 >> Veloster Turbo >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L (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

Trouble Shooting Condition Possible Cause
Main Action
  • CAN communication status check
  1. FPCM faulty
  2. CAN communication line between ECM and FPCM
Prerequisite Condition
  • Battery is higher than 10.8V
  • Turn the ignition switch "ON" Time greater than 0.5 sec
Threshold Value
  • Duration of communication lost with FPCM is higher than 4 sec
Diagnostic Time
  • Continuous
MIL
  • 2 Driving Cycle
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