FixVault

DTC Detection Logic

DTC No. CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition Possible cause
P0452 EVAP SYS PRES SEN
(Evaporative emission system pressure sensor/switch low)
An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors

    (EVAP control system pressure sensor circuit is shorted.)

  • EVAP control system pressure sensor