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Home >> Hyundai >> 2013 >> Veloster Base, Automatic DCT Trans >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transaxle (Dual Clutch) System Diagnosis >> DTC U0121: Lost Communication With Anti-Lock Brake System (ABS) Control Module >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Check the signal
  • Faulty in CAN Line
  • Faulty in ESP
  • Faulty in TCM
Enable Conditions
  • Battery voltage > 10V
  • Time passed from IG-On > 0.5 sec
Threshold Value
  • Not Receive a message from CAN MI-COM
Diagnostic Time
  • More than 2 seconds.
Fail Safe
  • Normal Driving
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