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Engine-Codes – Nissan – P0444 2011 Nissan Altima Sedan

P0444 2011 Nissan Altima Sedan Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Open

Quick Answer

The P0444 code on a 2011 Nissan Altima Sedan indicates a problem with the EVAP (Evaporative Emission Control) system, specifically the Canister Purge Volume Control Solenoid Valve circuit being open. Common causes include Faulty Canister Purge Volume Control Solenoid Valve, Damaged or corroded wiring in the circuit, Blown fuse related to the EVAP system. 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
P0444 2011 Nissan Altima Sedan indicates EVAP Canister Purge Volume Control Solenoid Valve Circuit Open.
Common causes
Common causes include Faulty Canister Purge Volume Control Solenoid Valve, Damaged or corroded wiring in the circuit, Blown fuse related to the EVAP system.
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 Sep 17, 2024
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Code P0444 2011 Nissan Altima Sedan Description

The P0444 code on a 2011 Nissan Altima Sedan indicates a problem with the EVAP (Evaporative Emission Control) system, specifically the Canister Purge Volume Control Solenoid Valve circuit being open. The EVAP system is responsible for capturing and storing fuel vapors to prevent them from escaping into the atmosphere. The Canister Purge Volume Control Solenoid Valve is a crucial component that controls the flow of fuel vapors from the charcoal canister to the engine for combustion.

OBDII Code P0444 2011 Nissan Altima Sedan - EVAP Canister Purge Volume Control Solenoid Valve Circuit Open
P0444 2011 Nissan Altima Sedan Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Open

Common Causes of P0444 2011 Nissan Altima Sedan

  1. Faulty Canister Purge Volume Control Solenoid Valve
  2. Damaged or corroded wiring in the circuit
  3. Blown fuse related to the EVAP system
  4. Malfunctioning PCM
  5. Loose or disconnected electrical connections

Symptoms of P0444 2011 Nissan Altima Sedan

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

How to Fix P0444 2011 Nissan Altima Sedan

  1. Use an OBD-II scanner to confirm the P0444 code and diagnose the specific issue with the EVAP system.
  2. Inspect the Canister Purge Volume Control Solenoid Valve and its wiring for any visible damage or corrosion.
  3. Test the solenoid valve's resistance with a multimeter to determine if it is faulty.
  4. Check and replace any blown fuses related to the EVAP system.
  5. If necessary, replace the Canister Purge Volume Control Solenoid Valve and repair any damaged wiring or connections.

Cost to Fix P0444 2011 Nissan Altima Sedan

The typical repair costs for addressing a P0444 code on a 2011 Nissan Altima Sedan can range from $150 to $400, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's recommended to inquire about local rates for a more accurate estimate.

What does this mean?

Tech Notes for P0444 2011 Nissan Altima Sedan

Check to see if you have an disconnected, broken or cracked hoses first.

When is the Code Detected?

An excessively low voltage signal is sent to ECM through the valve

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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 P0444 2011 Nissan Altima Sedan Code

1. What does the OBDII code P0444 mean for a 2011 Nissan Altima Sedan?

The code P0444 indicates a problem with the EVAP Canister Purge Volume Control Solenoid Valve Circuit Open in the vehicle's emission control system.

2. What are the common symptoms of a P0444 code in a 2011 Nissan Altima Sedan?

Common symptoms of a P0444 code may include rough idling, decreased fuel efficiency, and the illumination of the check engine light on the dashboard.

3. What are the possible causes of a P0444 code in a 2011 Nissan Altima Sedan?

Potential causes of a P0444 code include a faulty purge volume control solenoid valve, damaged wiring or connectors in the circuit, or a defective ECM (engine control module).

4. How can I diagnose a P0444 code in my 2011 Nissan Altima Sedan?

Diagnosing a P0444 code involves using an OBDII scanner to retrieve the code, inspecting the purge volume control solenoid valve and its wiring for any visible issues, and testing the electrical circuit for continuity.

5. Can I still drive my 2011 Nissan Altima Sedan with a P0444 code?

It is generally safe to drive your vehicle with a P0444 code, but it is advisable to have the issue diagnosed and repaired as soon as possible to prevent potential damage to the emission control system.

6. How can I repair a P0444 code in my 2011 Nissan Altima Sedan?

Repairing a P0444 code may involve replacing the purge volume control solenoid valve, repairing or replacing damaged wiring or connectors, or reprogramming the ECM if necessary.

7. Are there any DIY tips for fixing a P0444 code in a 2011 Nissan Altima Sedan?

While diagnosing and repairing a P0444 code may require some technical knowledge, DIY enthusiasts can start by checking the connections and wiring related to the purge volume control solenoid valve before seeking professional help if needed.

8. Will a P0444 code affect the overall performance of my 2011 Nissan Altima Sedan?

While a P0444 code may not directly impact the drivability of your vehicle, it can lead to decreased fuel efficiency and potential issues with the emission control system if left unresolved.

9. How much does it typically cost to repair a P0444 code in a 2011 Nissan Altima Sedan?

The cost of repairing a P0444 code can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor at a dealership or repair shop.

10. Can a P0444 code in a 2011 Nissan Altima Sedan cause the vehicle to fail an emissions test?

Yes, a P0444 code can cause your vehicle to fail an emissions test due to the malfunction in the EVAP system, which is designed to reduce harmful emissions from the vehicle.

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