2013 Honda P0446: What It Means & Is It Safe to Drive?
P0446 on the 2013 Honda: Evaporative Emission System Vent Control Circuit. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.
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What this code means
The PCM has detected a problem with the EVAP vent control circuit, often caused by a stuck or failed vent valve.
Common causes on the 2013 Honda
- Failed EVAP vent solenoid
- Corroded wiring or connector at vent valve
- Blocked vent due to dust, rust, or spider webs
Symptoms
- Check Engine Light
- Possible difficulty filling fuel tank (nozzle keeps clicking off)
Typical fixes
- Replace EVAP vent valve/solenoid
- Clean or clear vent and charcoal canister area
- Repair wiring
Repair cost range
For a 2013 Honda, repairs for P0446 typically fall between $150 and $450, depending on the root cause and labor rates in your area.
Known issues on Honda
Honda P0446 typically means the EVAP canister vent valve is stuck or has a broken wiring harness connector. Test continuity at the valve connector before replacing. On Odyssey and Pilot, the vent valve is accessible from under the rear of the vehicle.
Most commonly affected models
Accord 2003–2007CR-V 2002–2006Odyssey 2005–2010