FixVault

DTC Detection Logic

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0451 EVAP control system pressure sensor performance ECM detects a sloshing signal from the EVAP control system pressure sensor
  • Harness or connectors

    (EVAP control system pressure sensor circuit is shorted.)

    [CKP sensor (POS) circuit is shorted.]

    (APP sensor 2 circuit is shorted.)

    (Refrigerant pressure sensor circuit is shorted.)

    (Brake booster pressure sensor circuit is shorted)

  • EVAP control system pressure sensor
  • Crankshaft position sensor (POS)
  • Accelerator pedal position sensor
  • Refrigerant pressure sensor
  • Brake booster pressure sensor