p0455
Moderate
Genesis · Sedans
EVAP System Leak Detected (Large)
Quick Answer
Error code P0455 on your Genesis Sedans means: EVAP System Leak Detected (Large). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Inspect fuel cap for damage and replace if needed
2
Perform EVAP system smoke test
3
Check all EVAP component connections
4
Test purge control solenoid with multimeter
5
Repair or replace damaged EVAP components
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Fuel cap
EVAP canister
EVAP hoses and connectors
Purge control solenoid
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