The electrical circuit controlling the EVAP purge valve has a malfunction. The purge valve controls when fuel vapors are drawn from the charcoal canister into the engine.
Find certified mechanics near you who can diagnose and repair P0443.
For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.