AutoCodes.com
Login with Google
AutoCodes – Nissan – P0455 Nissan

P0455 Nissan Code - EVAP Control System Gross Leak Detected

Quick Answer

This diagnosis detects leaks in the Evaporative Emission System (EVAP) purge line using engine intake manifold vacuum. Common causes include Missing or loose fuel cap, Incorrect fuel filler cap used, Fuel filler cap remains open or fails to close. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P0455 Nissan indicates EVAP Control System Gross Leak Detected.
Common causes
Common causes include Missing or loose fuel cap, Incorrect fuel filler cap used, Fuel filler cap remains open or fails to close.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Save to My Repairs Step-by-Step Diagnostic Guide My Repairs
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 409,441
How popular is this code, among other codes? High
What is this?
Table of contents Created and updated by William Orellana on Mar 25, 2024
💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0455 Nissan Description

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.
OBDII Code P0455 Nissan - EVAP Control System Gross Leak Detected - AutoCodes.com
P0455 Nissan Code - EVAP Control System Gross Leak Detected
What does this mean?

What are the Possible Causes of the DTC 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 DTC P0455 Nissan?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code 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









User Submitted Video

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0455 Nissan code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0455 Nissan code?

Need more information on how to fix the P0455 Nissan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0455 Nissan code diagnosed by a professional: Find a repair shop in your area

Information for Specific Nissan Models

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0455 Nissan Code

1. What are the common symptoms of OBDII code P0455 in a Nissan?

- Common symptoms include the check engine light illuminating, a strong gasoline odor near the vehicle, and potential issues passing emissions tests.

2. What are some possible causes of the P0455 code in a Nissan?

- Common causes include a loose gas cap, a damaged or cracked EVAP system component, a faulty purge valve, or a leak in the EVAP system hoses.

3. How serious is the P0455 OBDII code in a Nissan?

- While the code itself may not cause immediate drivability issues, it is important to address it promptly to prevent potential fuel leaks and emissions problems.

4. Can I continue driving my Nissan with the P0455 code present?

- It is generally safe to drive the vehicle with the code, but it is recommended to have it diagnosed and repaired as soon as possible to avoid potential environmental impact and further damage.

5. How can I diagnose the cause of the P0455 code in my Nissan?

- Diagnosing the code typically involves inspecting the gas cap for proper sealing, checking the EVAP system components for damage or leaks, and using a smoke machine to pinpoint the source of the leak.

6. What are some repair tips for fixing the P0455 code in a Nissan?

- Repair tips include tightening or replacing the gas cap if loose, inspecting and replacing damaged EVAP system components, testing and replacing the purge valve if faulty, and ensuring all EVAP system hoses are properly connected and sealed.

7. Can a DIY enthusiast fix the P0455 code in a Nissan at home?

- Depending on the cause of the code, DIY enthusiasts may be able to address the issue by checking and tightening the gas cap, but more complex repairs involving EVAP system components may require professional diagnosis and repair.

8. How much does it typically cost to repair the P0455 code in a Nissan?

- Repair costs can vary depending on the cause of the code and the specific components that need to be replaced. It is recommended to get a diagnostic from a professional to determine the exact cost.

9. Will resetting the OBDII code resolve the P0455 issue in a Nissan?

- Simply clearing the code without addressing the underlying cause will not fix the problem. It is important to diagnose the issue, make necessary repairs, and then clear the code to ensure the problem is resolved.

10. How can I prevent the P0455 code from reoccurring in my Nissan?

- To prevent the code from coming back, make sure to always tighten the gas cap properly after refueling, regularly inspect the EVAP system for damage or leaks, and follow a routine maintenance schedule for the vehicle.

Discuss the causes and fixes for P0455 Nissan OBDII Code

Submit a New Comment

  • 2003 maxima codes p0455 1448 p 1800 I have replaced already the gas cap , engine light still on .

    Reply to Comment

  • The gas cap could be the cause for the P0455 and P1448 code, but for the P1800 the problem is something else.

    P1800 Nissan - Variable Intake Air System Control Solenoid Valve Circuit
    Read more: https://www.autocodes.com/p18...

    P1448 Nissan - EVAP Canister Vent Control Valve Open
    Read more: https://www.autocodes.com/p14...

    Reply to Comment

  • p0455 code on 2004 nissan pathfinder should I purchase another gas cap 1st and see if that solves the problem?

    Reply to Comment

  • Unfortunately there are many things that can cause that problem, but the gas cap is probably the most common one. Replacing the gas cap it's probably the least expensive repair.

    Reply to Comment

  • I HAVE A 2002 INFINITY I35 THE ENGINE LITE CAME ON SO IT WONT PASS SMOG

    Reply to Comment

  • If you are getting the P0455 code, you should start by inspecting the gas cap. If cap is OK, then you may have to have a technician inspect the EVAP system for small leaks.

    More information here: https://www.autocodes.com/p04...

    Reply to Comment

  • How would I fix my fuel tank from leaking if that is or was the problem? I just filled my car up today and I put in more than it could hold apparently because it started leaking from underneath the car. Quite a bit too I mean I can't pinpoint how much but a pretty big puddle and I am worried I might be in danger. I mean if the way to solve it for the short term is not to fill it to the top then I can do that but if I want to get this fixed for the long run how much is it going to cost and where should I look for a replacement?

    Reply to Comment

  • The first you need to do is determine exactly where the leak is coming from. You could have a leaking hose. If the problem is tank, you may need to remove the tank to get it repair.

    Reply to Comment

  • Cars should be replaced with horses again. Cars use semi-rare material that is hazardous to the environment. You need gasoline to move your vehicle. But with horses you put in grass and they go vroom. like MIND BLOWN

    Reply to Comment
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play