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Home >> Genesis >> 2021 >> G80 2.5T Advanced, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 2.5L (6 Of 6) >> DTC U012D-00: Lost Communication With Generator Control Module >> DTC Information And Inspection >> DTC Detecting Condition
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DTC Information And Inspection: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Signal Monitoring
  1. Poor connector connection
  2. Faulty LIN communication line between ECM and alternator
  3. Faulty alternator
  4. Faulty ECM
Enable Condition
  • Battery voltage is more than 10V
  • Delay time after ignition switch on is more than 1 second
Threshold Value
  • Duration of communication lost with alternator is more than 2 seconds
Diagnostic Time
  • Continuous
MIL ON Condition
  • 2 driving cycles