P0455 on Your 2024 Lexus ES
A P0455 on your 2024 ES (XV70) means a large EVAP leak. Whether you have the ES 250, ES 350, or ES 300h hybrid, your vehicle is fully under Lexus warranty. Check the 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.
- VSV (Vacuum Switching Valve) (Medium Likelihood): Lexus purge control. Warranty-covered.
- Charcoal Canister (Low-Medium Likelihood): Factory issue. Warranty-covered.
- Purge Valve (Low Likelihood): Factory defect. Warranty-covered.
- ECU Software (Low Likelihood): Calibration update. Warranty-covered.
What to Do
Tighten the gas cap and drive 2–3 days. If P0455 persists, visit your Lexus dealer for free warranty diagnosis with Techstream.
Warranty
Your 2024 ES is covered by Lexus' 4-year/50,000-mile warranty through 2028. Federal emissions (8yr/80k) extends through 2032.
Safe to Drive?
Yes. P0455 doesn't affect the engine, hybrid system, or any luxury features.