FTC Reader Disclosure: When you purchase or register through links on our site, we may earn an affiliate commission at no extra cost to you. Read our Editorial & Advertising Policy.

P0455 on Honda CR-V: Fix & DLC Location

Factory diagnostic troubleshooting wire for fault code P0455 (P0455: Evaporative Emission Control System Leak Detected (Gross Leak)) specifically on the Honda CR-V (2020–2026, 1.5L Turbo (190HP) / 2.0L Two-Motor Hybrid (204HP)).

Honda CR-V
DIY Parts Estimate
$15 - $250 (DIY: $15 - $50)
CR-V OEM Fitment
Shop Labor Quote
$180 – $380
Based on $115/hr labor
Drivability Status
Drivable (Short Trip)
Low urgency level
Est. DIY Time
45 – 90 Min
Basic hand tools
Check P0455 On Another Honda Model:
Honda CivicHonda AccordHonda CR-VHonda Pilot

1. Symptoms of P0455 on Honda CR-V

When the Engine Control Module (ECM/PCM) on your Honda CR-V (1.5L Turbo (190HP) / 2.0L Two-Motor Hybrid (204HP)) logs fault code P0455, drivers commonly observe:

Check Engine Light on on Honda CR-V (1.5L Turbo (190HP) / 2.0L Two-Motor Hybrid (204HP))
Gas cap loose warning message on dashboard on Honda CR-V (1.5L Turbo (190HP) / 2.0L Two-Motor Hybrid (204HP))
Slight fuel vapor odor near rear of vehicle on Honda CR-V (1.5L Turbo (190HP) / 2.0L Two-Motor Hybrid (204HP))
Honda CR-V OBD-II Port Location
The 16-pin diagnostic connector is located Driver side lower knee panel. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Honda CR-V

Historical warranty claims and technical repair bulletins for Honda CR-V point to the following failure distribution:

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

3. Step-by-Step DIY Repair Guide for Honda CR-V

01
Inspect and Tighten the Gas Cap

Remove gas cap, inspect rubber O-ring for cracks, tighten until it clicks 3 times. on the Honda CR-V equipped with 1.5L Turbo (190HP) / 2.0L Two-Motor Hybrid (204HP).

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 Honda CR-V equipped with 1.5L Turbo (190HP) / 2.0L Two-Motor Hybrid (204HP).

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 Honda CR-V equipped with 1.5L Turbo (190HP) / 2.0L Two-Motor Hybrid (204HP).

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 Honda CR-V equipped with 1.5L Turbo (190HP) / 2.0L Two-Motor Hybrid (204HP).

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 Honda CR-V equipped with 1.5L Turbo (190HP) / 2.0L Two-Motor Hybrid (204HP).

Required Tool: EVAP Smoke Machine

Other Common Fault Codes on Honda CR-V

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Honda CR-V:

4. Honda CR-V P0455 FAQs

What causes code P0455 to trigger on a Honda CR-V?

On the Honda CR-V (1.5L Turbo (190HP) / 2.0L Two-Motor Hybrid (204HP)), 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 Honda CR-V?

On the Honda CR-V, the 16-pin DLC diagnostic connector is located Driver side lower knee panel. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Honda CR-V 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.