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Home >> Genesis >> 2024 >> GV80 3.5T >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> 4WD Control Diagnosis >> DTC U0121-00: Lost Communication With Anti-Lock Brake System (ABS) Control Module >> DTC Information And Inspection >> DTC Detecting Condition
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DTC Information And Inspection: DTC Detecting Condition

Troubleshooting Condition Possible Cause
Main Action
  • Check CAN signal
  1. CAN Communication Line open/short
  2. IEB (Integrated Electric Booster)
Prerequisite Condition
  • Turn engine ON
Threshold Value
  • No IEB CAN message is received
Diagnostic Time
  • 2 sec
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