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Home >> Kia >> 2022 >> Carnival EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (8 Of 8) >> DTC U04B1-00: Invalid Data Received From Battery Monitor Module >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Check LIN communication with battery sensor
  • Poor connector connection
  • Faulty LIN communication circuit of battery sensor
  • Faulty battery sensor
Enable Condition
  • Battery voltage is between 9 and 16V
  • Time after engine start is greater than 2s
Threshold value
  • LIN communication lost from battery sensor
Diagnosis Time
  • Continuously
MIL ON Condition
  • 2 driving cycles
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