2022 Volvo P0446: What It Means & Is It Safe to Drive?
P0446 on the 2022 Volvo: 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.
PowertrainLow urgency
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 2022 Volvo
- 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 2022 Volvo, repairs for P0446 typically fall between $150 and $450, depending on the root cause and labor rates in your area.
Known issues on Volvo
Volvo P0446 EVAP vent valve fault typically involves the carbon canister vent solenoid or a faulty EVAP pressure sensor. Test the vent solenoid with a scan tool before replacing. On XC90, the vent valve is exposed to underbody moisture and can corrode.
Most commonly affected models
XC90 2003–2014S60 2001–2009XC70 2001–2007