FixVault

DTC Detection Logic

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DTC DETECTING CONDITION AND POSSIBLE CAUSE

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.)

    [Crankshaft position sensor (POS) circuit is shorted.]

    (Refrigerant pressure sensor circuit is shorted.)

  • EVAP control system pressure sensor
  • Crankshaft position sensor (POS)
  • Refrigerant pressure sensor