Engine-Codes - Nissan - P0455 Nissan

P0455 Nissan Code - EVAP Control System Gross Leak Detected

- Code Popularity: 386,761 Views
- Repair Importance Level: 1/3
- Repair Difficulty Level: 3/3
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|What are the Possible Causes of the Code P0455 Nissan?

  • Missing or loose fuel cap
  • Incorrect fuel filler cap used
  • Fuel filler cap remains open or fails to close
  • Foreign matter caught in fuel filler cap
  • EVAP canister or fuel tank leaks
  • EVAP system hose leaking
  • Fuel tank leaking

|How to Fix the P0455 Nissan Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

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|Code P0455 Nissan Tech Notes

The P0455 it’s very common code because the code is set if the gas cap is loose or missing. Start by tightening the gas cap and clearing the code. In most cases, the code can be clear by disconnecting the car battery for about 30 minutes.

There is a factory Nissan service bulletin to help diagnose the P0455 code:
Nissan Factory Service Bulletin OBDII Code P0455

Nissan models with factory service bulletin:

2005-2007 Nissan Pathfinder
2005-2007 Nissan Pathfinder Service Bulletin OBDII Code P0455

2007-2009 Nissan Altima Sedan
2008-2009 Nissan Altima Coupe
2007-2009 Nissan Altima Hybrid
2009 Nissan Maxima
Nissan Factory Service Bulletin OBDII Code P0455









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|What is the Cost to Diagnose the Code P0455 Nissan?

Labor: 1.0

The cost to diagnose the P0455 Nissan code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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|When is the P0455 Nissan Code Detected?

Malfunction is detected when EVAP control system has a leak, EVAP control system does not operate properly.

|What are Code P0455 Nissan Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Possible a noticeable fuel odor caused by the release of fuel vapors

|What Does the P0455 Nissan Code Mean?

This diagnosis detects leaks in the Evaporative Emission System (EVAP) purge line using engine intake manifold vacuum. If pressure does not increase, the Engine Control Module (ECM) will check for leaks in the line between the fuel tank and EVAP canister purge volume control solenoid valve under the following vacuum test condition.
The vacuum cut valve bypass valve is opened to clear the line between the fuel tank and the EVAP canister purge volume control solenoid valve. The EVAP canister vent control valve will then be closed to shut the EVAP purge line off. The EVAP canister purge volume control solenoid valve is opened to depressurize the EVAP purge line using intake manifold vacuum. After this depressurization is implemented, the EVAP canister purge volume control solenoid valve will be closed.
P0455 Nissan Code - EVAP Control System Gross Leak Detected

|Need more Information on the P0455 Nissan Code?

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|Information for Specific Nissan Models

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