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Home >> Genesis >> 2021 >> G80 2.5T Advanced, AWD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> 4WD Control System Diagnosis >> DTC U0101-00: Lost Communication With TCM >> 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
  • Check CAN signal
  1. Poor contact of connector
  2. Open/short in CAN communication circuit
  3. TCU
Prerequisite Condition
  • Turn engine ON
Threshold Value
  • TCU CAN message is not received
Diagnostic Time
  • 2 sec
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