2012 Volkswagen P0440: What It Means & Is It Safe to Drive?
P0440 on the 2012 Volkswagen: Evaporative Emission System Control System Malfunction. 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
A general fault in the EVAP system—could be a leak, stuck valve, or sensor issue.
Common causes on the 2012 Volkswagen
- Gas cap loose or faulty
- Purge or vent valve stuck
- Charcoal canister or hose leak
Symptoms
- Check Engine Light
Typical fixes
- Replace gas cap
- Test purge/vent valves
- Smoke test EVAP system
Repair cost range
For a 2012 Volkswagen, repairs for P0440 typically fall between $20 and $400, depending on the root cause and labor rates in your area.
Known issues on Volkswagen
VW P0440 EVAP large leak is often a gas cap seal issue on these models. If the cap is good, inspect the carbon canister and purge valve—the purge valve N80 solenoid is a common VW EVAP failure. Test N80 with VCDS or a scan tool before replacing.
Most commonly affected models
Jetta 2005–2010Golf 2004–2010Passat 2006–2010