EVAP Vent Valve/Solenoid Circuit Malfunction
Powertrain Code · Low
What does P0449 mean?
The EVAP vent valve or solenoid has an electrical malfunction.
System: EVAP System
P0449 is a powertrain diagnostic trouble code indicating evap vent valve/solenoid circuit malfunction. This code is classified as low severity, which means: minor issue — monitor and fix at convenience. We have vehicle-specific diagnostic data for 9 models below. Select your vehicle for tailored causes, symptoms, and repair cost estimates.
Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.
See causes, symptoms, and repair costs for P0449 on specific vehicles: