2009 Dodge P0455: What It Means & Is It Safe to Drive?
P0455 on the 2009 Dodge: Evaporative Emission System Leak Detected (Large Leak). Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.
PowertrainMedium urgency
What this code means
A large leak has been detected in the EVAP system. Could be gas cap left off, disconnected hose, or damaged canister.
Common causes on the 2009 Dodge
- Gas cap missing or not sealed
- Disconnected or ruptured EVAP hose
- Damaged charcoal canister
- Faulty purge/vent solenoid
Symptoms
- Check Engine Light
- Fuel smell possible
Typical fixes
- Install or replace gas cap
- Inspect and repair EVAP hoses
- Replace canister or valves as needed
Repair cost range
For a 2009 Dodge, repairs for P0455 typically fall between $20 and $500, depending on the root cause and labor rates in your area.
Known issues on Dodge
Dodge P0455 often means a missing or failed gas cap, or a disconnected large EVAP hose. On Grand Caravan, check the EVAP vent hose along the underbody—it is prone to cracking and sagging off its mount.
Most commonly affected models
Charger 2006–2014Grand Caravan 2001–2010Durango 2004–2009