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Home >> Kia >> 2016 >> Cadenza Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2540: 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
  • Monitoring output signal voltage of fuel pressure sensor
  1. Poor Connection
  2. Fuel pressure sensor
Enable Conditions
  • Engine "ON"
  • Battery Voltage is higher than 10V
  • Target fuel pressure is higher than 350kpa and lower than 600kpa.
Threshold value
  • The signal change of fuel pressure sensor is higher than 120kPa (14.5psi) during 10ms.
Diagnosis Time
  • 10 sec.
MIL On Condition
  • -
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