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Home >> Hyundai >> 2021 >> Veloster N Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> 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
Main Action
  • Signal monitoring
  1. Poor connection or damaged harness
  2. Faulty battery sensor
  3. Faulty ECM
Prerequisite Condition
  • Engine is running for longer than 2 seconds.
  • Battery voltage is higher than 11V.
Threshold Value
  • An invalid data is received from battery sensor
Diagnostic Time
  • Continuously
MIL On Condition
  • No MIL 'ON' (DTC Only)
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