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Home >> Kia >> 2020 >> Rio LX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (6 Of 6) >> DTC U012D-00: Lost Communication With Generator Control Module >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor the LIN communication
  • Poor connector connection
  • Faulty LIN communication circuit
  • Faulty alternator
Enable Conditions
  • Ignition "ON"
Threshold Value
  • No LIN signal of alternator for 5s
Diagnostic Time
  • Continuous
MIL ON Condition
  • 2 driving cycles
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