Is P0455 repair free on my 2024 Envision?

Yes. Buick's 4yr/50k warranty covers all EVAP components. Free at any Buick dealer.

Does P0455 affect Envision AWD?

No. P0455 is a vapor code. AWD, turbo performance, and all features are completely unaffected.

The Envista is a separate, smaller model. The Envision continues as Buick's compact luxury crossover with full parts and service support.

A P0455 on your 2024 Envision means a large EVAP leak. The 2.0L turbo compact crossover is fully under Buick's premium warranty. Gas cap first.

Gas Cap Seal (Very High Likelihood): Loose or factory defect. Warranty-covered.
EVAP Vent Solenoid (Medium Likelihood): GM vent valve. Warranty-covered.
Purge Valve (Medium Likelihood): Factory defect. Warranty-covered.
EVAP Canister (Low Likelihood): Manufacturing issue. Warranty-covered.
Software Calibration (Low Likelihood): ECM update. Warranty-covered.

Tighten the gas cap and drive 2–3 days. If P0455 persists, your Buick dealer will diagnose and repair free under warranty.

Your 2024 Envision is covered by Buick's 4-year/50,000-mile warranty through 2028. Federal emissions (8yr/80k) extends through 2032.

Yes. P0455 doesn't affect the turbo engine, AWD, or any features.