Solving P0455 on Your 2022 GMC Canyon
A P0455 on your 2022 Canyon means a large EVAP leak. Whether you have the 2.7L turbo or 3.6L V6, the EVAP system is shared. Check for P0449. Gas cap first.
Evidence
- Check engine light on
- P0455 (possibly P0449)
- Possible fuel odor
- Gas cap issue
Causes Ranked
- Gas Cap Seal (Very High Likelihood): Loose or worn. $0–$25.
- Vent Valve Solenoid (Medium Likelihood): GM vent valve. $100–$220 installed.
- Purge Solenoid (Medium Likelihood): Sticking. $110–$240 installed.
- Vapor Line (Low Likelihood): Truck use damage. $80–$210.
- Charcoal Canister (Low Likelihood): Rare. $180–$370 installed.
Warranty
Your 2022 Canyon may still be under GM's 3-year/36,000-mile warranty. Federal emissions (8yr/80k) covers EVAP through 2030.
Safe to Drive?
Yes. P0455 doesn't affect the engine, 4WD, towing, or truck features.