2024 Jeep Compass P0455: Large EVAP Leak Guide

P0455 on Your 2024 Jeep Compass

A P0455 on your 2024 Compass means a large EVAP leak was detected. Your Compass is fully under warranty—check the gas cap first, then take it to the dealer if needed.

Symptoms

• Check engine light with P0455
• Possible fuel smell
• Gas cap not clicking
• EVAP monitor incomplete

Top Causes

1. Gas Cap Seal (Very High Likelihood): Loose or factory defect. Warranty-covered.
2. EVAP Canister Vent Valve (Medium Likelihood): Manufacturing issue. Warranty-covered.
3. Purge Solenoid (Medium Likelihood): Factory defect. Warranty-covered.
4. Vapor Line (Low Likelihood): Assembly issue. Warranty-covered.
5. PCM Calibration (Low Likelihood): Software update. Warranty-covered.

What to Do

Tighten the gas cap and drive 2–3 days. If P0455 persists, visit your Jeep dealer for free repair.

Warranty

Your 2024 Compass is fully covered through 2027 (basic) and 2032 (emissions).

Safe to Drive?

Yes. P0455 doesn't affect the engine, transmission, 4WD, or any features.

Frequently Asked Questions