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P0455 on Dodge Charger: Fix & DLC Location

Factory diagnostic troubleshooting wire for fault code P0455 (P0455: Evaporative Emission Control System Leak Detected (Gross Leak)) specifically on the Dodge Charger (2020–2026, 5.7L / 6.4L 392 HEMI / 6.2L Hellcat (717HP–797HP) / Hurricane 3.0L Turbo).

Dodge Charger
DIY Parts Estimate
$15 - $250 (DIY: $15 - $50)
Charger OEM Fitment
Shop Labor Quote
$180 – $380
Based on $120/hr labor
Drivability Status
Drivable (Short Trip)
Low urgency level
Est. DIY Time
45 – 90 Min
Basic hand tools
Check P0455 On Another Dodge Model:
Dodge Charger

1. Symptoms of P0455 on Dodge Charger

When the Engine Control Module (ECM/PCM) on your Dodge Charger (5.7L / 6.4L 392 HEMI / 6.2L Hellcat (717HP–797HP) / Hurricane 3.0L Turbo) logs fault code P0455, drivers commonly observe:

Check Engine Light on on Dodge Charger (5.7L / 6.4L 392 HEMI / 6.2L Hellcat (717HP–797HP) / Hurricane 3.0L Turbo)
Gas cap loose warning message on dashboard on Dodge Charger (5.7L / 6.4L 392 HEMI / 6.2L Hellcat (717HP–797HP) / Hurricane 3.0L Turbo)
Slight fuel vapor odor near rear of vehicle on Dodge Charger (5.7L / 6.4L 392 HEMI / 6.2L Hellcat (717HP–797HP) / Hurricane 3.0L Turbo)
Dodge Charger OBD-II Port Location
The 16-pin diagnostic connector is located Driver lower dash assembly next to hood lever. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Dodge Charger

Historical warranty claims and technical repair bulletins for Dodge Charger point to the following failure distribution:

55%
Missing, loose, or cracked gas cap seal (Dodge OEM Part)
25%
Faulty EVAP purge control solenoid (Dodge OEM Part)
12%
Stuck open EVAP vent valve (Dodge OEM Part)
8%
Cracked EVAP charcoal canister vapor hose (Dodge OEM Part)

3. Step-by-Step DIY Repair Guide for Dodge Charger

01
Inspect and Tighten the Gas Cap

Remove gas cap, inspect rubber O-ring for cracks, tighten until it clicks 3 times. on the Dodge Charger equipped with 5.7L / 6.4L 392 HEMI / 6.2L Hellcat (717HP–797HP) / Hurricane 3.0L Turbo.

Required Tool: None
02
Replace Gas Cap with OEM Replacement

If the cap rubber is dried or cracked, replace with genuine OEM cap ($15). on the Dodge Charger equipped with 5.7L / 6.4L 392 HEMI / 6.2L Hellcat (717HP–797HP) / Hurricane 3.0L Turbo.

Required Tool: New OEM Gas Cap
03
Test EVAP Purge Solenoid Under Hood

Disconnect electrical plug and vacuum hose. Apply 12V; verify valve seals tight when unpowered. on the Dodge Charger equipped with 5.7L / 6.4L 392 HEMI / 6.2L Hellcat (717HP–797HP) / Hurricane 3.0L Turbo.

Required Tool: 12V Probe, Vacuum Pump
04
Inspect EVAP Canister Vent Valve Near Gas Tank

Check vent valve for road salt corrosion or spider nest clogs. on the Dodge Charger equipped with 5.7L / 6.4L 392 HEMI / 6.2L Hellcat (717HP–797HP) / Hurricane 3.0L Turbo.

Required Tool: Flashlight, Jack Stands
05
Smoke Test EVAP System

Pump mineral oil smoke into EVAP port to reveal any hairline cracked lines. on the Dodge Charger equipped with 5.7L / 6.4L 392 HEMI / 6.2L Hellcat (717HP–797HP) / Hurricane 3.0L Turbo.

Required Tool: EVAP Smoke Machine

Other Common Fault Codes on Dodge Charger

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Dodge Charger:

4. Dodge Charger P0455 FAQs

What causes code P0455 to trigger on a Dodge Charger?

On the Dodge Charger (5.7L / 6.4L 392 HEMI / 6.2L Hellcat (717HP–797HP) / Hurricane 3.0L Turbo), P0455 is most frequently caused by Missing, loose, or cracked gas cap seal or Faulty EVAP purge control solenoid.

Where is the OBD-II port located on my Dodge Charger?

On the Dodge Charger, the 16-pin DLC diagnostic connector is located Driver lower dash assembly next to hood lever. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Dodge Charger with code P0455?

Yes. Completely safe to drive, but emissions test will fail. Given that P0455 carries a Low severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.