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Home › Hyundai › 2020 › 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

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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