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Home >> Kia >> 2012 >> Optima Hybrid >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Active Hydraulic Booster (AHB) System Diagnosis - HEV >> DTC C2380: Valve Relay Error >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Current Monitoring
  1. Faulty AHB ECU
Enable Conditions
  • If the valve relay is switched ON and corresponding solenoid driver ON, below condition last over 10times
    • Valve (Current regulated channel): the Current of the solenoid < target current * 90%
    • Valve (Current non-regulated channel): the Current of the solenoid < 300mA
Fail Safe
  • EBD warning lamp and buzzer are activated.
  • "Stop! Check Brake!" message is displayed on LCD.
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