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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 38 (Engine Control System Diagnosis - 1.6L (3 Of 3) (Except HEV)) >> DTC U0101: Lost Communication With TCM >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • CAN communication status check
  1. Poor connection
Enable Conditions
  • IG ON
Threshold Value
  • No message time from TCU via external CAN
Diagnostic Time
  • Continuous
MIL ON Condition
  • 2 driving cycle
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