P0455 on Honda CR-V: Symptoms, Causes & DIY Fix
Official technical diagnostic wire for fault code P0455 (P0455: Evaporative Emission Control System Leak Detected (Gross Leak)) specifically affecting Honda CR-V vehicles equipped with 1.5L Turbo (190HP) / 2.0L Two-Motor Hybrid (204HP).
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:
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:
3. Step-by-Step DIY Repair Guide for Honda CR-V
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).
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).
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).
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).
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).
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. Factory sensor degradation or wiring harness wear near the engine bay are common factors.
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 on Honda vehicles, we advise performing diagnostic scanning via the OBD-II port located driver side lower knee panel before extended highway driving.
Where is the diagnostic port located on the Honda CR-V?
The 16-pin OBD-II DLC connector on the Honda CR-V is situated driver side lower knee panel. It requires no special tools to plug in a standard scanner.
How much does it cost to fix P0455 on a Honda CR-V?
DIY replacement parts typically range between $15 - $250 (DIY: $15 - $50). If serviced at an authorized Honda dealership, expect an additional $120–$250 in professional labor based on their $115/hr hourly rate.