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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Abs/Esp Diagnosis (PHEV) (1 Of 4)) >> DTC C1268-01: Circuit Leak Fail >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor brake oil pressure
  • Brake fluid leak
  • Faulty IEB module
  • System failure
Enable Condition
  • Ignition "ON"
  • Auxiliary battery normal voltage (7 to 19V)
Threshold Value
  • External leakage occur (If circuit pressure is less than hydraulic volume which is generated by pump)
  • Internal leakage occur
  • Mechanical faulty hydraulic brake circuit occur
Warning Lamp Single Circuit Leakage
  • IEB, RBS, ABS, ESP, DBC, AVH
Dual Circuit Leakage
  • IEB, RBS, ABS, ESP, DBC, AVH (buzzer)
Dual Circuit Leakage
  • IEB, RBS, ABS, ESP, DBC, AVH
Detecting Time
  • 500 ~ 600 ms
Disable Condition
  • Ignition "OFF" and then "ON" (brake pressed and released is for 3s)