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Home >> Kia >> 2021 >> Niro LXS >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> ESC/AHB Diagnosis (HEV) (1 Of 2) >> DTC C1234-02: Hpa Long Term Charge Error >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Accumulator charging pressure monitoring
  • Faulty bleeding process
  • Leakage on hydraulic pipe lines
  • Faulty pressure sensor
  • Faulty PSU motor
Enable Condition
  • Ignition "ON"
Threshold Value
  • A failure is detected if any condition below is satisfied during HPA charging
    1. HPA pressure is less than 100bar for 20s
    2. HPA pressure is less than 140bar for 30s
    3. HPA pressure is less than 157bar for 45s
Warning Lamp
  • Brake (EBD), ABS, ESC, AVH warning indicator lamp "ON"
  • Buzzer "ON"
Disable Condition
  • Ignition "OFF"/"ON" and Brake Pressed and Released for more than 3s