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Home >> Kia >> 2021 >> Niro Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (5 Of 6) >> DTC P1233-00: Low Pressure Fuel System - High Deviation Between Target And Current Pressure >> 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
  • Fuel pressure sensor
  • FPCM
  • Leakage of fuel line
Enable Condition
  • Target fuel pressure is higher than 250kPa and less than 600kPa
  • Engine running
  • Auxiliary battery voltage is greater than 10V
Threshold Value
  • The deviation between target and actual fuel pressure is greater than 100kPa (14.5psi)
Diagnostic Time
  • 10s
MIL ON Condition
  • -
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