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Home >> Kia >> 2012 >> Optima Hybrid >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Active Hydraulic Booster (AHB) System Diagnosis - HEV >> DTC C1236: High Pressure Accumulator Low Pressure Error >> DTC Description >> DTC Detecting Condition

DTC Description: DTC Detecting Condition

Item  Detecting Condition  Possible cause 
DTC Strategy
  • High pressure accumulator pressure monitoring
  1. Damaged or poor connector connection
  2. Defected high pressure accumulator
  3. Air bleeding is not properly completed
Threshold Value
  • High pressure accumulator pressure is less than 100 bar for 1.2 sec.
Check Lamp
  • Brake (EBD), ABS, ESC, AVH (yellow), buzzer
Remark
  • Clear condition : High pressure accumulator pressure returns to normal state
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