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Home >> Kia >> 2015 >> K900 V8 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 5.0L (5 Of 5) >> DTC U0109: 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 monitoring
  1. Poor connector connection
  2. Open in CAN communication line
  3. Defected FPCM
Enable Conditions
  • Battery voltage is higher than 10.8V
  • Ignition switch "ON" for over 0.5 sec.
Threshold value
  • Duration of communication lost with FPCM for over 4 sec.
Diagnosis Time
  • Continuous
MIL On Condition
  • 2 driving cycles
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