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Home >> Kia >> 2021 >> K5 GT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.5L (13 Of 16) >> DTC P2542-00: Low Pressure Fuel System Sensor Circuit High >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor the fuel pressure sensor's signal
  • Poor connector connection
  • Fuel pump
  • Faulty fuel pump circuit
  • Faulty fuel pump relay
Enable Conditions
  • Target fuel pressure is between 250 and 600kPa
  • Engine "ON"
  • Battery voltage is between 9 and 16V
Threshold Value
  • The fuel pressure sensor voltage is higher than reference
Diagnostic Time
  • 10s
MIL ON Condition
  • NO MIL (record only DTC)