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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) (PHEV) >> DTC P2542-00: 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
  • Monitor the fuel pressure sensor's signal
  1. Poor Connection
  2. Open or Short to Power in Signal Circuit
  3. Faulty Fuel pressure sensor
Enable Conditions
  • Target fuel pressure is between 250kpa and 600kpa
  • Engine Running
  • Battery voltage is higher than 10V
Threshold Value
  • The fuel pressure sensor voltage is higher than 4.75V
Diagnostic Time
  • 10s
MIL ON Condition
  • NO MIL
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