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Engine-Codes – Nissan – P0445 2006 Nissan Altima Sedan

P0445 2006 Nissan Altima Sedan Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted

Quick Answer

The P0445 code for a 2006 Nissan Altima Sedan indicates a problem with the EVAP (Evaporative Emission Control System) Canister Purge Volume Control Solenoid Valve circuit. Common causes include Wiring issues such as frayed or damaged wires, Faulty EVAP Canister Purge Volume Control Solenoid Valve, Defective PCM. 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 2006 Nissan Altima Sedan indicates EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted.
Common causes
Common causes include Wiring issues such as frayed or damaged wires, Faulty EVAP Canister Purge Volume Control Solenoid Valve, Defective PCM.
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 11, 2024
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Code P0445 2006 Nissan Altima Sedan Description

The P0445 code for a 2006 Nissan Altima Sedan indicates a problem with the EVAP (Evaporative Emission Control System) Canister Purge Volume Control Solenoid Valve circuit. This solenoid valve is responsible for controlling the flow of vapor from the fuel tank to the engine, allowing the fuel system to maintain the correct level of pressure. When the PCM (Powertrain Control Module) detects a short circuit in the circuit related to the solenoid valve, it triggers the P0445 code.

OBDII Code P0445 2006 Nissan Altima Sedan - EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted
P0445 2006 Nissan Altima Sedan Code - EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted

Common Causes of P0445 2006 Nissan Altima Sedan

  1. Wiring issues such as frayed or damaged wires
  2. Faulty EVAP Canister Purge Volume Control Solenoid Valve
  3. Defective PCM
  4. Blown fuse related to the EVAP system
  5. Corrosion or damage to connectors in the circuit

Symptoms of P0445 2006 Nissan Altima Sedan

  1. Check engine light illuminated
  2. Decreased fuel efficiency
  3. Rough idling or engine hesitation
  4. Strong fuel odor
  5. Difficulty starting the engine

How to Fix P0445 2006 Nissan Altima Sedan

  1. Diagnose the issue using a scan tool to confirm the P0445 code and pinpoint the exact cause of the problem.
  2. Inspect the wiring harness for any damage or corrosion and repair or replace as needed.
  3. Test the EVAP Canister Purge Volume Control Solenoid Valve for proper operation and replace if faulty.
  4. Check the PCM for any signs of damage or malfunction and replace if necessary.
  5. Reset the PCM and clear the code before testing the vehicle to ensure the issue has been resolved.

Cost to Fix P0445 2006 Nissan Altima Sedan

The typical repair costs for resolving a P0445 code can range from $100 to $300, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Most auto repair shops commonly charge between $80 and $150 per hour, but rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to check local rates for a more precise estimate.

What does this mean?

Tech Notes for P0445 2006 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 2006 Nissan Altima Sedan Code

What does the OBDII code P0445 mean on a 2006 Nissan Altima Sedan?

P0445 indicates a problem in the EVAP system, specifically that the Canister Purge Volume Control Solenoid Valve Circuit is shorted, meaning there's an electrical issue causing the valve to remain open or malfunction.

What are the common symptoms of code P0445 in a 2006 Nissan Altima?

Common symptoms include an illuminated Check Engine Light, a noticeable fuel odor, poor fuel economy, or difficulty starting the engine in some cases.

What causes the P0445 code to appear in a 2006 Nissan Altima?

Possible causes include a shorted or damaged purge valve, faulty wiring or connectors in the EVAP system, a blown fuse, or a malfunctioning Engine Control Module (ECM).

Can I drive my 2006 Nissan Altima with a P0445 code?

While the car may still run, driving with a P0445 code is not recommended because it can lead to increased emissions, fuel inefficiency, and potential long-term damage to the EVAP system.

How do I diagnose the P0445 code in my 2006 Nissan Altima?

Diagnosis involves inspecting the purge valve for shorts or damage, checking the wiring harness and connectors for wear or corrosion, and testing the valve's electrical circuit with a multimeter.

What tools are needed to fix the P0445 code on a 2006 Nissan Altima?

You may need a multimeter, an OBDII scanner, basic hand tools, and replacement parts such as the purge valve or connectors, depending on the root cause of the issue.

How much does it cost to fix the P0445 code in a 2006 Nissan Altima?

Repairs typically cost between $100 and $300, depending on if only the purge valve needs replacing or if additional wiring repairs are necessary.

What is the EVAP Canister Purge Volume Control Solenoid Valve?

The purge valve is a component of the EVAP system that controls the flow of fuel vapors from the charcoal canister to the engine for combustion, reducing emissions.

Can a bad gas cap cause the P0445 code on a 2006 Nissan Altima?

No, a bad gas cap is unlikely to cause the P0445 code, as this code is specifically related to an electrical short in the purge valve circuit, not a loose or faulty gas cap.

How can I prevent the P0445 code from reappearing in my 2006 Nissan Altima?

Regularly inspect and maintain the EVAP system, address wiring or connector issues promptly, and replace components like the purge valve as needed to prevent future occurrences.

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