FixVault

DTC Detection Logic

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause
P0451 EVAP SYS PRES SEN (Evaporative emission system pressure sensor/switch range/performance) 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