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Home >> Kia >> 2016 >> Cadenza Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2542: Low Pressure Fuel System Sensor Circuit High >> 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. Short to power in signal circuit
  3. Open in ground circuit
  4. Fuel pressure sensor
  5. Fuel pump control module (FPCM)
Enable Conditions
  • Engine "ON"
  • Battery voltage is higher than 10V
  • Target fuel pressure is higher than 350kpa and lower than 600kpa.
Threshold value
  • The fuel pressure sensor voltage is higher than 4.75V
Diagnosis Time
  • 2 sec.
MIL On Condition
  • -
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