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P0445 2011 Nissan Altima Sedan Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted

Quick Answer

The P0445 code for a 2011 Nissan Altima Sedan refers to a problem with the EVAP (Evaporative Emission Control) system. Common causes include Faulty EVAP Canister Purge Volume Control Solenoid Valve, Short circuit in the wiring connected to the solenoid valve, Corrosion or damage to electrical connectors. 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
P0445 2011 Nissan Altima Sedan indicates EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted.
Common causes
Common causes include Faulty EVAP Canister Purge Volume Control Solenoid Valve, Short circuit in the wiring connected to the solenoid valve, Corrosion or damage to electrical connectors.
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 15, 2024
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Code P0445 2011 Nissan Altima Sedan Description

The P0445 code for a 2011 Nissan Altima Sedan refers to a problem with the EVAP (Evaporative Emission Control) system. Specifically, it indicates that there is a short circuit in the circuitry of the EVAP Canister Purge Volume Control Solenoid Valve. This valve is responsible for controlling the flow of fuel vapors from the charcoal canister to the engine intake manifold. When the solenoid valve is shorted, it can disrupt the proper functioning of the EVAP system, leading to potential issues with emissions control and overall engine performance.

OBDII Code P0445 2011 Nissan Altima Sedan - EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted
P0445 2011 Nissan Altima Sedan Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted

Common Causes of P0445 2011 Nissan Altima Sedan

  1. Faulty EVAP Canister Purge Volume Control Solenoid Valve.
  2. Short circuit in the wiring connected to the solenoid valve.
  3. Corrosion or damage to electrical connectors.
  4. Vacuum leaks in the EVAP system.
  5. Issues with the engine control module (ECM) or related components.

Symptoms of P0445 2011 Nissan Altima Sedan

  1. Check Engine Light illuminated on the dashboard.
  2. Decreased fuel efficiency.
  3. Strong fuel odor near the vehicle.
  4. Rough idling or stalling.
  5. Difficulty starting the engine.

How to Fix P0445 2011 Nissan Altima Sedan

  1. Begin by conducting a thorough inspection of the EVAP Canister Purge Volume Control Solenoid Valve and its wiring for any visible damage or corrosion.
  2. Test the solenoid valve using a multimeter to check for continuity and proper operation.
  3. Replace the EVAP Canister Purge Volume Control Solenoid Valve if it is found to be faulty.
  4. Repair any damaged wiring or connectors in the circuit.
  5. Clear the diagnostic trouble codes from the vehicle's ECM using a scan tool and perform a test drive to ensure the issue has been resolved.

Cost to Fix P0445 2011 Nissan Altima Sedan

The typical repair costs for addressing a P0445 code on a 2011 Nissan Altima Sedan can vary depending on the specific cause of the issue and the cost of parts and labor in your area. In general, replacing the EVAP Canister Purge Volume Control Solenoid Valve can range from $100 to $300, with additional costs for diagnostic testing, wiring repairs, and labor. Overall, you can expect the total repair costs to fall between $150 and $500, but it's advisable to obtain quotes from local auto repair shops to get a more accurate estimate based on your location and vehicle specifics. Keep in mind that labor rates can vary, with hourly rates typically ranging from $80 to $150.

What does this mean?

Tech Notes for P0445 2011 Nissan Altima Sedan

It's a very common problem with Nissan vehicles. If the harness is not damage it's very likely that the problem is the canister purge volume control solenoid valve.

When is the Code Detected?

An excessively high voltage signal is sent to Engine Control Module (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 P0445 2011 Nissan Altima Sedan Code

1. What does the OBDII code P0445 mean for a 2011 Nissan Altima Sedan?

The OBDII code P0445 indicates a problem with the EVAP canister purge volume control solenoid valve circuit being shorted in the vehicle's emissions control system.

2. What are common symptoms of the P0445 code in a 2011 Nissan Altima Sedan?

Common symptoms of the P0445 code may include issues with the vehicle's fuel economy, rough idling, stalling, or difficulty starting the engine.

3. What are possible causes of the P0445 code in a 2011 Nissan Altima Sedan?

Possible causes of the P0445 code include a faulty EVAP canister purge volume control solenoid valve, damaged wiring or connectors in the circuit, or a defective PCM (Powertrain Control Module).

4. How can I diagnose the P0445 code in my 2011 Nissan Altima Sedan?

Diagnosing the P0445 code may involve visually inspecting the solenoid valve and its wiring, checking for proper voltage and continuity, and using a scan tool to analyze the system for any faults.

5. Can I continue to drive my 2011 Nissan Altima Sedan with the P0445 code present?

While the vehicle may still be operable with the P0445 code, it is recommended to address the issue promptly to prevent any potential damage to the emissions control system and ensure optimal performance.

6. How can I repair the P0445 code in my 2011 Nissan Altima Sedan?

Repairing the P0445 code may involve replacing the faulty EVAP canister purge volume control solenoid valve, repairing any damaged wiring or connectors, or resetting the PCM after addressing the issue.

7. Are there any DIY tips for addressing the P0445 code in a 2011 Nissan Altima Sedan?

DIY enthusiasts can start by checking the solenoid valve and its connections for any visible damage, ensuring they are securely connected, and clearing the code with a scan tool to see if it returns.

8. What are the potential consequences of ignoring the P0445 code in a 2011 Nissan Altima Sedan?

Ignoring the P0445 code can lead to decreased fuel efficiency, increased emissions, and potential long-term damage to the vehicle's emissions control system, resulting in more costly repairs.

9. Is the P0445 code a common issue in 2011 Nissan Altima Sedans?

While the P0445 code may not be extremely common in 2011 Nissan Altima Sedans, it is a known issue related to the EVAP system that can occur due to various factors like wear and tear or electrical faults.

10. Can weather or environmental factors trigger the P0445 code in a 2011 Nissan Altima Sedan?

Extreme weather conditions, such as temperature fluctuations or exposure to moisture, can sometimes contribute to triggering the P0445 code by affecting the integrity of the EVAP system components.

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