FixVault

DTC Detection Logic

DTC DETECTION CONDITION CHART

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 (CKP) sensor (POS) circuit is shorted.] [Accelerator pedal position (APP) sensor 2 circuit is shorted.] (Refrigerant pressure sensor circuit is shorted.)
  • EVAP control system pressure sensor
  • CKP sensor (POS)
  • APP sensor
  • Refrigerant pressure sensor