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Home >> Kia >> 2021 >> Sorento S, FWD >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Abs/ESC Diagnosis (Except HEV) (4 Of 4) >> DTC C2231-02: Vacuum Pump System Fail >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • EVP control monitor
  • Faulty logic
  • Faulty EVP
  • Faulty brake booster vacuum
Enable Condition
  • Normal battery voltage (9.5 to 16.5V)
  • Ignition "ON"
Threshold Value
  • Continuous operation of EVP control over 50 cycles
Detecting Time
  • In control/Non-control: 300s
Warning Lamp
  • None
Disable Condition
  • After ignition is turned off/on, no EVP control state is over 60ms
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