EVAP System Large Leak
A large leak has been detected in the evaporative emission system.
Informational only. Consult a qualified mechanic.
- Missing gas cap
- Cracked EVAP hose
- Disconnected EVAP line
- Damaged EVAP canister
Check if the gas cap is missing or loose. Inspect EVAP hoses.
What does P0455 mean?
The P0455 OBD-II diagnostic trouble code (DTC) indicates: evap system large leak. This is a low-severity powertrain code that your vehicle's onboard diagnostics system triggers when a large leak has been detected in the evaporative emission system. If your check engine light is on with this code, the vehicle is generally safe to drive, but you should have it inspected soon.
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