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Engine-Codes – Nissan – P0444 2012 Nissan Altima Sedan

P0444 2012 Nissan Altima Sedan Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Open

Quick Answer

The P0444 code in a 2012 Nissan Altima Sedan indicates a problem with the EVAP (Evaporative Emission Control) system's Canister Purge Volume Control Solenoid Valve circuit being open. Common causes include Faulty Canister Purge Volume Control Solenoid Valve, Damaged or corroded wiring or connectors, ECM malfunction. 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 2012 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 or connectors, ECM malfunction.
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 07, 2024
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Code P0444 2012 Nissan Altima Sedan Description

The P0444 code in a 2012 Nissan Altima Sedan indicates a problem with the EVAP (Evaporative Emission Control) system's Canister Purge Volume Control Solenoid Valve circuit being open. This valve plays a crucial role in controlling the flow of fuel vapor from the EVAP canister to the engine intake manifold for combustion. When the circuit is open, it means there is an interruption in the electrical connection between the solenoid valve and the vehicle's ECM (Engine Control Module).

OBDII Code P0444 2012 Nissan Altima Sedan - EVAP Canister Purge Volume Control Solenoid Valve Circuit Open
P0444 2012 Nissan Altima Sedan Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Open

Common Causes of P0444 2012 Nissan Altima Sedan

  1. Faulty Canister Purge Volume Control Solenoid Valve
  2. Damaged or corroded wiring or connectors
  3. ECM malfunction
  4. Vacuum leaks in the EVAP system
  5. Defective fuel cap

Symptoms of P0444 2012 Nissan Altima Sedan

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

How to Fix P0444 2012 Nissan Altima Sedan

  1. Begin by visually inspecting the wiring and connectors for any signs of damage or corrosion. Repair or replace as necessary.
  2. Test the Canister Purge Volume Control Solenoid Valve using a multimeter to check for proper operation. Replace the valve if it fails the test.
  3. Check the vacuum lines in the EVAP system for leaks and repair or replace any damaged sections.
  4. Clear the diagnostic trouble codes from the ECM using a scan tool and test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to pinpoint the exact cause of the circuit being open.

Cost to Fix P0444 2012 Nissan Altima Sedan

The typical repair costs for addressing a P0444 code in a 2012 Nissan Altima Sedan can vary depending on the specific cause of the issue. In general, the cost of a new Canister Purge Volume Control Solenoid Valve ranges from $50 to $150, while labor costs can range from $80 to $150 per hour. Additional costs may include diagnostic testing, replacement of damaged wiring or connectors, and any other necessary parts. Overall, the total repair cost for this issue could range from $150 to $500, depending on the extent of the repairs needed. It's advisable to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on your vehicle's specific needs.

What does this mean?

Tech Notes for P0444 2012 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

Need more information about the P0444 2012 Nissan Altima Sedan code?

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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 2012 Nissan Altima Sedan Code

1. What does the OBDII code P0444 on a 2012 Nissan Altima Sedan mean?

The code P0444 indicates a problem with the EVAP Canister Purge Volume Control Solenoid Valve Circuit being open on a 2012 Nissan Altima Sedan.

2. What are the common symptoms of a P0444 code on a 2012 Nissan Altima Sedan?

Common symptoms of a P0444 code may include rough idling, poor fuel economy, difficulty starting the vehicle, and the illumination of the check engine light.

3. What are possible causes of the P0444 code on a 2012 Nissan Altima Sedan?

Potential causes of the P0444 code include a faulty purge volume control solenoid valve, damaged wiring or connectors in the circuit, a vacuum leak in the EVAP system, or a malfunctioning ECM.

4. How can I diagnose the P0444 code on my 2012 Nissan Altima Sedan?

Diagnosing the P0444 code may involve visually inspecting the wiring and connectors, testing the purge volume control solenoid valve, checking for vacuum leaks, and using a scan tool to monitor the EVAP system.

5. Can I drive my 2012 Nissan Altima Sedan with a P0444 code?

It is generally safe to drive with a P0444 code, but it is recommended to address the issue promptly to prevent potential damage to the EVAP system and ensure optimal vehicle performance.

6. How can I repair a P0444 code on my 2012 Nissan Altima Sedan?

Repairing a P0444 code may involve replacing the purge volume control solenoid valve, repairing or replacing damaged wiring or connectors, fixing any vacuum leaks, or resetting the ECM.

7. Is it necessary to clear the P0444 code after repairing my 2012 Nissan Altima Sedan?

Yes, it is essential to clear the P0444 code after making the necessary repairs to reset the check engine light and ensure that the issue has been resolved.

8. Can a DIY enthusiast fix a P0444 code on a 2012 Nissan Altima Sedan?

Depending on your automotive repair skills and tools, a DIY enthusiast may be able to address a P0444 code by following repair guides and procedures outlined in the vehicle's service manual.

9. How much does it cost to repair a P0444 code on a 2012 Nissan Altima Sedan?

The cost of repairing a P0444 code can vary depending on the specific cause of the issue, the parts needed for replacement, and whether you choose to perform the repairs yourself or take your vehicle to a mechanic.

10. How can I prevent the P0444 code from reoccurring on my 2012 Nissan Altima Sedan?

To prevent the P0444 code from coming back, it is crucial to perform regular maintenance on the EVAP system, address any issues promptly, and follow recommended service intervals for your vehicle.

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