Scantool Diagnostics

Engine Control
P0447 Evaporative Emission System-Vent Control Circuit Open - Scantool Diagnostics

Monitor DTC Status

1. Connect GDS and select "DTC Analysis" mode.
2. Click "DTC Status" on the menu bar to see DTC's information.
3. Confirm that "DTC Readiness Flag" indicates "COMPLETED". If not, drive the vehicle within conditions noted in the freeze frame data or enable conditions.
4. Read "DTC Status" parameter.




5. Is parameter displayed "History(Not Present) fault"?

NOTE:
- History (Not Present) fault : DTC occurred but has been cleared.
- Present fault : DTC is occurring at present time.