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Home >> Kia >> 2023 >> Sorento X-Line EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Control System Diagnosis - 2.5L (VIN C) (14 Of 14) (Except HEV)) >> DTC U01B4-00: Lost Communication with Brake System Control Module 'B' >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
Item Detecting Condition Possible Cause
DTC Strategy
  • CAN monitoring
  • Poor connector connection
  • Faulty HECU
  • HECU circuit
Enable Conditions
  • Normal battery voltage (9 and 16V)
Threshold Value
  • Communication lost with HECU
Diagnostic Time
  • 2s
MIL ON Condition
  • 2 driving cycle
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