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P0445 2012 Nissan Altima Sedan Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted

Quick Answer

The P0445 diagnostic trouble code (DTC) for a 2012 Nissan Altima Sedan indicates a problem with the EVAP (Evaporative Emission Control System) Canister Purge Volume Control Solenoid Valve Circuit being shorted. Common causes include Faulty Canister Purge Volume Control Solenoid Valve, Short in the wiring harness 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 2012 Nissan Altima Sedan indicates EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted.
Common causes
Common causes include Faulty Canister Purge Volume Control Solenoid Valve, Short in the wiring harness 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 14, 2024
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Code P0445 2012 Nissan Altima Sedan Description

The P0445 diagnostic trouble code (DTC) for a 2012 Nissan Altima Sedan indicates a problem with the EVAP (Evaporative Emission Control System) Canister Purge Volume Control Solenoid Valve Circuit being shorted. 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 regulates the flow of fuel vapor from the charcoal canister to the engine intake manifold for combustion.

OBDII Code P0445 2012 Nissan Altima Sedan - EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted
P0445 2012 Nissan Altima Sedan Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted

Common Causes of P0445 2012 Nissan Altima Sedan

  1. Faulty Canister Purge Volume Control Solenoid Valve.
  2. Short in the wiring harness connected to the solenoid valve.
  3. Corrosion or damage to electrical connectors.
  4. Issues with the Engine Control Module (ECM) that controls the EVAP system.
  5. Vacuum leaks in the EVAP system.

Symptoms of P0445 2012 Nissan Altima Sedan

  1. Check Engine Light illuminated on the dashboard.
  2. Rough idle or stalling when the vehicle is at a stop.
  3. Decreased fuel efficiency.
  4. Strong fuel odor near the vehicle.
  5. Failed emissions test due to increased emissions.

How to Fix P0445 2012 Nissan Altima Sedan

  1. Begin by verifying the P0445 code using an OBD-II scanner.
  2. Inspect the wiring harness connected to the Canister Purge Volume Control Solenoid Valve for any visible damage or corrosion.
  3. Test the solenoid valve for proper operation using a multimeter.
  4. Replace the Canister Purge Volume Control Solenoid Valve if it is found to be faulty.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0445 2012 Nissan Altima Sedan

The cost of repairing a P0445 code on a 2012 Nissan Altima Sedan can vary depending on the specific cause of the issue. On average, the replacement of a Canister Purge Volume Control Solenoid Valve can range from $100 to $200, including parts and labor. Additional costs may apply if there are wiring harness repairs or other components that need attention. It is recommended to consult with a qualified mechanic or auto repair shop for an accurate estimate based on the individual circumstances of the vehicle. Keep in mind that labor rates can fluctuate based on location and the type of repair facility.

What does this mean?

Tech Notes for P0445 2012 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 2012 Nissan Altima Sedan Code

1. What are the common symptoms of OBDII code P0445 in a 2012 Nissan Altima Sedan?

When OBDII code P0445 is triggered in a 2012 Nissan Altima Sedan, common symptoms may include the Check Engine light coming on, rough idling, decreased fuel efficiency, and difficulty starting the vehicle.

2. What does the OBDII code P0445 "EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted" mean in a 2012 Nissan Altima Sedan?

The P0445 code in a 2012 Nissan Altima Sedan indicates a malfunction in the circuit of the EVAP (Evaporative Emission Control System) Canister Purge Volume Control Solenoid Valve.

3. What are the possible causes of OBDII code P0445 in a 2012 Nissan Altima Sedan?

Common causes of the P0445 code in a 2012 Nissan Altima Sedan may include a faulty EVAP Canister Purge Volume Control Solenoid Valve, damaged wiring or connectors in the circuit, or a short circuit in the system.

4. How serious is OBDII code P0445 in a 2012 Nissan Altima Sedan?

While the P0445 code may not cause immediate drivability issues, it can lead to increased emissions and may affect the overall performance of your vehicle. It is recommended to address the issue promptly to prevent further damage.

5. Can I continue driving my 2012 Nissan Altima Sedan with OBDII code P0445?

It is generally safe to drive your vehicle with the P0445 code, but it is advisable to have the issue diagnosed and repaired as soon as possible to avoid potential long-term problems with the EVAP system.

6. How can I diagnose OBDII code P0445 in my 2012 Nissan Altima Sedan?

Diagnosing the P0445 code involves using a diagnostic scanner to retrieve the trouble codes, inspecting the EVAP system components for any visible damage, and testing the Canister Purge Volume Control Solenoid Valve for proper operation.

7. What is the typical repair for OBDII code P0445 in a 2012 Nissan Altima Sedan?

The typical repair for the P0445 code in a 2012 Nissan Altima Sedan involves replacing the faulty EVAP Canister Purge Volume Control Solenoid Valve, repairing any damaged wiring or connectors, and clearing the trouble codes.

8. Can I repair OBDII code P0445 in my 2012 Nissan Altima Sedan myself?

If you have the necessary tools, knowledge, and experience working on automotive systems, you may be able to repair the P0445 code yourself. However, it is recommended to consult a professional mechanic for accurate diagnosis and repair.

9. How much does it cost to repair OBDII code P0445 in a 2012 Nissan Altima Sedan?

The cost of repairing the P0445 code in a 2012 Nissan Altima Sedan can vary depending on the extent of the issue, the labor rates in your area, and the cost of replacement parts. It is advisable to obtain quotes from local repair shops for an accurate estimate.

10. How can I prevent OBDII code P0445 from recurring in my 2012 Nissan Altima Sedan?

To prevent the recurrence of the P0445 code in your 2012 Nissan Altima Sedan, it is essential to perform regular maintenance on the EVAP system, check for leaks or damage, and address any issues promptly to maintain proper functionality.

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