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Home >> Kia >> 2020 >> Cadenza Technology >> Repair and Diagnosis (Single Page) >> Transmission >> Transmission Control Systems >> SBW Control Unit Diagnosis >> DTC U0121-00: Lost Communication With Anti-Lock Brake System (ABS) Control Module >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN communication monitoring
  • Poor connector connection
  • Open or short in CAN communication line
  • Faulty related module
Enable Condition
  • Ignition "ON".
  • Battery voltage is greater than 10V
Threshold Value
  • If CAN message not received from HECU
Detecting Time
  • 2.1s
MIL ON Condition
  • 2 driving cycles
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