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Home >> Hyundai >> 2021 >> Accent Limited >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (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

Trouble Shooting Condition Possible Cause
Main Action
  • Signal Monitoring
  1. Faulty LIN communication line between ECM (PCM) and generator
  2. Faulty Generator
Prerequisite Condition
  • Time after engine start is higher than 2 sec
  • Battery voltage is higher than 11V
Threshold Value
  • LIN communicating error with Generator
Diagnostic Time
  • Continuous
MIL
  • NO MIL
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