2011 Ram P0446: What It Means & Is It Safe to Drive?
P0446 on the 2011 Ram: 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 2011 Ram
- 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 2011 Ram, repairs for P0446 typically fall between $150 and $450, depending on the root cause and labor rates in your area.
Known issues on Ram
Ram P0446 EVAP vent solenoid fault typically involves the NVLD module or canister vent valve near the fuel tank. Check for corrosion at the solenoid connector—Ram trucks in northern states frequently corrode these connections from road salt exposure.
Most commonly affected models
Ram 1500 2009–2018Ram 1500 Classic 2003–2008