P0446 — Evaporative Emission Control System Purge Control Valve Circuit Shorted

What it means

P0446 is an OBD-II diagnostic trouble code: Evaporative Emission Control System Purge Control Valve Circuit Shorted.

Typical fix

Confirm the code with an OBD-II scanner, then inspect the component or circuit named above. Consult a vehicle-specific service manual for the full diagnostic and repair procedure.