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Home >> Kia >> 2024 >> Telluride SX X-Line >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System Diagnosis (10 Of 13) >> DTC P0557-00: Brake Booster Pressure Sensor Circuit Low >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Signal monitoring
  • Poor connector connection
  • Short to ground in signal circuit of brake booster vacuum sensor
  • Faulty brake booster vacuum sensor
Enable Condition
  • Engine "ON"
Threshold Value
  • Sensor voltage is lower than 0.2V
Diagnostic Time
  • 0.2s
MIL ON Condition
  • -
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