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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (Engine Control System Diagnosis (PHEV) (10 Of 10)) >> DTC U01B4-00: Lost Communication With Brake System Control Module 'B' >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • CAN monitoring
  • Poor connector connection
  • Faulty IEB
  • IEB circuit
Enable Conditions
  • Normal battery voltage (9 to 16V)
Threshold Value
  • Communication lost with IEB
Diagnostic Time
  • 2s
MIL ON Condition
  • 2 driving cycles
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