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Home >> Infiniti >> 2024 >> QX80 Premium Select, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 4) >> Engine (ECM) >> DTC P0453: EVAP Control System Pressure Sensor >> DTC Description
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DTC Description

DTC DETECTION LOGIC 

DTC No. Trouble diagnosis name
(Trouble diagnosis content)
DTC detecting condition Possible cause
P0453 EVAP SYS PRES SEN
(EVAP control system pressure sensor high input)
An excessively high voltage from the sensor is sent to ECM.
  • Harness or connectors

    (EVAP control system pressure sensor circuit is shorted.)

  • EVAP control system pressure sensor
  • EVAP canister vent control valve
  • EVAP canister
  • Rubber hose from EVAP canister vent control valve to vehicle frame
  • Sensor power supply 3