p0455
Moderate
Chrysler · Minivans & Sedans
Evaporative Emission Control System Leak Detected (large leak)
Quick Answer
Error code P0455 on your Chrysler Minivans & Sedans means: Evaporative Emission Control System Leak Detected (large leak). This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Check fuel filler cap condition and tightness
2
Inspect all vapor lines for cracks or disconnections
3
Perform smoke test on evaporative system
4
Check charcoal canister for damage
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 filler cap
Vapor hoses
Charcoal canister
System clamps
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