Most likely, this is taken out of context. You may mean Evaporative Emissions Control Vent which refers to the function of equalizing the pressure within the fuel tank and atmospheric air.
; it is normally caused by a loose gas cap
it's talking about the emissions system. it is probably just a loose gas cap
Evaporative Emission Control System Vent Control Circuit Malfunction
Trouble code P0446 means:Evaporative emission control system vent control circuit malfunction
Trouble code P0449 means: EVAP Vent Solenoid Control Circuit Malfunction
Trouble code P0446 means:Evaporative emission control system vent control circuit malfunction
Trouble code P0446 means:Evaporative emission control system vent control circuit malfunction
P0446 Evaporative Emission Control System Vent Control Circuit Malfunction
Trouble code P0446 means:Evaporative emission control system vent control circuit malfunction
Evaporative Emission Control System Vent Control Circuit Malfunction, look for faulty vent valve or a short on the vent control circuit.
Evaporative Emissions Control Vent
Trouble code P0446 means:Evaporative emission control system vent control circuit malfunction
Do you mean P1451 ? - Evap Control System Canister Vent Solenoid Circuit Malfunction