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Home >> Kia >> 2021 >> Niro Plug-In Hybrid LXS >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (6 Of 6) >> DTC P2540-00: Low Pressure Fuel System Sensor Circuit Range/Performance >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor the fuel pressure sensor's signal
  • Poor connector connection or damaged harness
  • Faulty fuel pressure sensor
  • Faulty FPCM
Enable Condition
  • Target fuel pressure is between 250 to 600kPa
  • Engine running
  • Auxiliary battery voltage is greater than 10V
Threshold Value
  • The signal change of fuel pressure sensor is greater than 120kPa (17.4psi) during 5ms
Diagnostic Time
  • 10s
MIL ON Condition
  • -
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