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Home >> Hyundai >> 2011 >> Accent GL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC U0101: ECM - TCM CAN Error >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN communication status check
  • Poor connection
  • TCM
  • ECM
Enable Conditions
  • TCU is not coming via internal CAN
Threshold Value
  • No message time from TCU via external CAN > 500 ms
Diagnostic Time
  • Continuous
MIL ON Condition
  • 5 sec
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