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Home >> Hyundai >> 2021 >> Accent Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (6 Of 6) >> DTC U04B1-00: Invalid Data Received From Battery Monitor Module >> 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
  • Signal Monitoring
  1. Poor connection
  2. Open or short in LIN communication line
  3. Battery sensor
Prerequisite Condition
  • Time after engine start is higher than 2 sec
  • Battery voltage is higher than 11V
Threshold Value
  • Duration of communication lost with battery sensor is over 2s
Diagnostic Time
  • Continuous
MIL
  • 2 driving cycle
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