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Home >> Hyundai >> 2021 >> Elantra N Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 35 (Engine Control System Diagnosis - 2.0L (Except HEV) (4 Of 6)) >> DTC P0557-00: Brake Booster Pressure Sensor Circuit Low >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Signal monitoring
  1. Poor connector connection
  2. Short to ground in signal circuit of brake booster vacuum sensor
  3. 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
  • No MIL On (DTC only)
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