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Home >> Kia >> 2019 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L (6 Of 6) (Except HEV) >> DTC U04B1: Invalid Data Received From Battery Monitor Module >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Communication with battery sensor
  1. Poor connector connection
  2. Faulty circuit of battery sensor
  3. Faulty battery sensor
Enable Conditions
  • Battery voltage is greater than 10.8V
  • Time after engine start is greater than 1s
Threshold Value
  • Duration of communication lost with battery sensor is over 2s
Diagnostic Time
  • Continuously
MIL ON Condition
  • 2 driving cycles
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