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DTC Detection Logic

DTC DETECTING CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible Cause
P0447 EVAP canister vent control valve circuit open An improper voltage signal is sent to ECM through EVAP canister vent control valve.
  • Harness or connectors (The valve circuit is open or shorted.)
  • EVAP canister vent control valve
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