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Home >> Infiniti >> 2023 >> QX80 Premium Select, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 5) >> Engine (ECM) >> DTC P0454: EVAP System Pressure Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0454

EVAP SYS PRES SEN

(EVAP system pressure sensor/switch "A" circuit intermittent)

ECM detects a sloshing signal from the EVAP control system pressure sensor

  • Harness or connectors

    (EVAP control system pressure sensor circuit is shorted.)

  • EVAP control system pressure sensor
  • Sensor power supply 3