FixVault

On Board Diagnosis Logic

DTC DETECTING CONDITION AND POSSIBLE CAUSE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0451 0451 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.]

    [CMP sensor (PHASE) (bank 2) circuit is shorted.]

    [EVT control position sensor (bank 2) circuit is shorted.]

    (APP sensor 2 circuit is shorted.)

    (Refrigerant pressure sensor circuit is shorted.)

  • EVAP control system pressure sensor
  • Crankshaft position sensor (POS)
  • Camshaft position sensor (PHASE) (bank 2)
  • Exhaust valve timing control position sensor (bank 2)
  • Accelerator pedal position sensor
  • Refrigerant pressure sensor