FixVault

DTC Detection Logic

DTC DETECTING CONDITION AND POSSIBLE CAUSE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0452 EVAP control system pressure sensor low input An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors (EVAP control system pressure sensor circuit is open or 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