P0455 on Your 2024 Genesis GV80
A P0455 on your 2024 GV80 (refreshed for 2024) means a large EVAP leak. Whether 2.5T or 3.5T, the vehicle is fully under Genesis' best-in-class warranty. Gas cap first.
Symptoms
- Check engine light with P0455
- Possible fuel smell
- Gas cap not seating
- EVAP monitor incomplete
Top Causes
- Gas Cap Seal (Very High Likelihood): Loose or factory defect. Warranty-covered.
- Canister Close Valve (Medium Likelihood): Hyundai EVAP valve. Warranty-covered.
- Purge Control Solenoid (Medium Likelihood): Factory defect. Warranty-covered.
- Charcoal Canister (Low Likelihood): Manufacturing issue. Warranty-covered.
- Software Calibration (Low Likelihood): ECU update. Warranty-covered.
What to Do
Tighten the gas cap and drive 2–3 days. If P0455 persists, Genesis concierge will pick up your vehicle for free warranty repair.
Warranty
Your 2024 GV80 is covered by Genesis' 5-year/60,000-mile warranty through 2029. Federal emissions (8yr/80k) extends through 2032.
Safe to Drive?
Yes. P0455 doesn't affect the engine, AWD, towing, or any features.