P0455 on Your 2022 Volkswagen Passat
A P0455 on your 2022 Passat means a large EVAP leak. As the final year of the US Passat, your 2.0L turbo sedan is likely under warranty. Gas cap first.
Evidence
- Check engine light on
- P0455 stored
- Possible fuel odor
- Gas cap issue
Causes by Likelihood
- Gas Cap Seal (Very High Likelihood): Loose or worn. $0–$25.
- N80 Purge Valve (Medium Likelihood): VW purge solenoid. $120–$250 installed.
- EVAP Leak Detection Pump (Medium Likelihood): VW LDP. $200–$380 installed.
- Fuel Tank Vent Valve (Low-Medium Likelihood): Seal failure. $150–$300 installed.
- Vapor Hose (Low Likelihood): Connection issue. $80–$200.
Warranty
Your 2022 Passat is likely under VW's 4-year/50,000-mile warranty through 2026. Federal emissions (8yr/80k) covers EVAP through 2030.
Safe to Drive?
Yes. P0455 doesn't affect the 2.0T or any features.