2020 Volkswagen P0446: What It Means & Is It Safe to Drive?
P0446 on the 2020 Volkswagen: 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 2020 Volkswagen
- 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 2020 Volkswagen, repairs for P0446 typically fall between $150 and $450, depending on the root cause and labor rates in your area.
Known issues on Volkswagen
VW P0446 EVAP vent control fault typically means the carbon canister vent solenoid (N115) has failed. Test the solenoid with VCDS before replacing. On older VW models, the N115 connector can corrode—cleaning the connector often restores function.
Most commonly affected models
Jetta 2005–2015Golf 2004–2015Passat 2006–2015