P0455 on Your 2022 Dodge Durango
A P0455 on your 2022 Durango (updated WD2 platform) means a large EVAP leak. Available with the 3.6L Pentastar, 5.7L HEMI, or 6.4L 392 HEMI (SRT/Hellcat), all share the Stellantis EVAP system. Your warranty situation depends on mileage.
Evidence
- Check engine light on
- P0455 stored in PCM
- Possible fuel odor
- Gas cap issue
Causes Ranked
- Gas Cap Seal (Very High Likelihood): Loose or worn. $0–$25.
- NVLD Unit (Medium Likelihood): Stellantis leak detection module. $150–$300 installed.
- Purge Solenoid (Medium Likelihood): Sticking valve. $100–$250 installed.
- EVAP Canister (Low-Medium Likelihood): Charcoal saturation. $200–$400 installed.
- Fuel Tank Pressure Sensor (Low Likelihood): False reading. $120–$280 installed.
Next Steps
Tighten or replace the gas cap. Drive 2–3 days. If P0455 returns, visit a Dodge dealer for wiTECH diagnostics or get a smoke test at an independent shop.
Warranty
Chrysler's 3yr/36k warranty ran through 2025. Federal emissions (8yr/80k) covers EVAP through 2030. Check mileage for coverage.
Safe to Drive?
Yes. P0455 doesn't affect the engine, AWD, towing, or any features.