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P0455 2010 Nissan Altima Sedan Code - EVAP Control System Gross Leak Detected

Quick Answer

The P0455 diagnostic trouble code (DTC) for a 2010 Nissan Altima Sedan indicates that the vehicle's On-Board Diagnostics (OBD) system has detected a gross leak in the Evaporative Emission Control System (EVAP). Common causes include Loose or damaged gas cap, Cracked or disconnected EVAP hoses, Faulty purge valve. 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 2010 Nissan Altima Sedan indicates EVAP Control System Gross Leak Detected.
Common causes
Common causes include Loose or damaged gas cap, Cracked or disconnected EVAP hoses, Faulty purge valve.
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.
What is this?
Table of contents Created and updated by William Orellana on Aug 25, 2024
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Code P0455 2010 Nissan Altima Sedan Description

The P0455 diagnostic trouble code (DTC) for a 2010 Nissan Altima Sedan indicates that the vehicle's On-Board Diagnostics (OBD) system has detected a gross leak in the Evaporative Emission Control System (EVAP). The EVAP system is responsible for capturing and storing fuel vapors from the fuel tank to prevent them from being released into the atmosphere. A gross leak suggests a significant issue with the system, potentially leading to increased emissions and fuel consumption.

OBDII Code P0455 2010 Nissan Altima Sedan - EVAP Control System Gross Leak Detected
P0455 2010 Nissan Altima Sedan Code - EVAP Control System Gross Leak Detected

Common Causes of P0455 2010 Nissan Altima Sedan

  1. Loose or damaged gas cap
  2. Cracked or disconnected EVAP hoses
  3. Faulty purge valve
  4. Malfunctioning canister
  5. Defective fuel tank pressure sensor

Symptoms of P0455 2010 Nissan Altima Sedan

  1. Check engine light illuminated
  2. Decreased fuel efficiency
  3. Rough idling or stalling
  4. Strong fuel odor
  5. Failed emissions test

How to Fix P0455 2010 Nissan Altima Sedan

  1. Inspect the gas cap for proper sealing and ensure it is tightened securely.
  2. Check all EVAP hoses for cracks, leaks, or disconnections and replace any damaged hoses.
  3. Test the purge valve and canister for proper operation and replace if necessary.
  4. Verify the functionality of the fuel tank pressure sensor and replace if faulty.
  5. Clear the diagnostic trouble codes and perform a drive cycle to ensure the issue has been resolved.

Cost to Fix P0455 2010 Nissan Altima Sedan

The typical repair costs for addressing a P0455 code on a 2010 Nissan Altima Sedan can range from $100 to $500, depending on the specific cause of the issue and the cost of parts and labor in your area. It's important to consider that labor rates at auto repair shops can vary, so it's advisable to obtain quotes from multiple shops to ensure a competitive price.

What does this mean?

Tech Notes for P0455 2010 Nissan Altima Sedan

The P0455 it’s a 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





User Submitted Video

When is the Code Detected?

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

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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 2010 Nissan Altima Sedan Code

1. What does the OBDII code P0455 mean for a 2010 Nissan Altima Sedan?

The code P0455 indicates that the EVAP control system has detected a gross leak, meaning there is a significant issue with the vehicle's evaporative emission system.

2. What are common symptoms of the P0455 code in a 2010 Nissan Altima Sedan?

Common symptoms of the P0455 code may include the check engine light being illuminated, a strong gasoline odor near the vehicle, and potential issues with the vehicle's fuel economy.

3. What are possible causes of the P0455 code in a 2010 Nissan Altima Sedan?

Potential causes of the P0455 code include a loose or damaged gas cap, a leak in the EVAP system hoses, a faulty EVAP canister, or problems with the purge valve or vent valve.

4. How serious is the P0455 code in a 2010 Nissan Altima Sedan?

While the P0455 code may not cause immediate drivability issues, it is important to address it promptly as it can negatively impact the vehicle's emissions and overall performance.

5. How can I diagnose the P0455 code in a 2010 Nissan Altima Sedan?

Diagnosing the P0455 code typically involves inspecting the gas cap for proper sealing, checking the EVAP system hoses for leaks, testing the EVAP canister, and examining the purge and vent valves for proper operation.

6. Can I drive my 2010 Nissan Altima Sedan with the P0455 code?

It is generally safe to drive the vehicle with the P0455 code, but it is recommended to have the issue diagnosed and repaired as soon as possible to prevent potential emissions and performance issues.

7. How much does it cost to repair the P0455 code in a 2010 Nissan Altima Sedan?

The cost of repairing the P0455 code can vary depending on the specific cause of the issue. Simple fixes like tightening the gas cap may be inexpensive, while replacing components like the EVAP canister or valves can be more costly.

8. Can I clear the P0455 code in my 2010 Nissan Altima Sedan with an OBDII scanner?

Clearing the P0455 code with an OBDII scanner may temporarily turn off the check engine light, but the issue causing the code will still need to be addressed to prevent it from reoccurring.

9. How long does it take to repair the P0455 code in a 2010 Nissan Altima Sedan?

The repair time for the P0455 code can vary depending on the specific cause and complexity of the issue. Simple fixes like tightening the gas cap may only take a few minutes, while more involved repairs can take several hours.

10. Can a DIY enthusiast fix the P0455 code in a 2010 Nissan Altima Sedan?

Depending on the cause of the P0455 code, some DIY enthusiasts may be able to address the issue themselves by checking and tightening the gas cap or inspecting and replacing damaged hoses. However, more complex repairs may require professional assistance.

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