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Home >> Hyundai >> 2013 >> Equus Ultimate >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) - 5.0L >> DTC U0105: Lost Communication With Fuel Injector Control Module >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • CAN communication with IDB status check
  1. IDB faulty
  2. CAN communication line between ECM and IDB
Enable Conditions
  • B+ > 10.8V
  • Time after Ignition switch on = 0.5 sec
Threshold value
  • Duration of communication lost with IDB > 4 sec
Diagnosis Time
  • Continuous
MIL On Condition
  • 2 driving cycle