AutoCodes – Nissan – P0447 2005 Nissan Sentra

P0447 2005 Nissan Sentra Code - Evaporative Emission Control System Vent Control Circuit Open

Quick Answer

The Evaporative Emission System (EVAP) canister vent control valve is located on the EVAP canister and is used to seal the canister vent. Common causes include Faulty Canister Vent Control Valve, Canister Vent Control Valve harness is open or shorted, Canister Vent Control Valve electrical circuit poor connection. 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
P0447 2005 Nissan Sentra indicates Evaporative Emission Control System Vent Control Circuit Open.
Common causes
Common causes include Faulty Canister Vent Control Valve, Canister Vent Control Valve harness is open or shorted, Canister Vent Control Valve electrical circuit poor connection.
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.
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Code Popularity 10,434
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0447 2005 Nissan Sentra Description

The Evaporative Emission System (EVAP) canister vent control valve is located on the EVAP canister and is used to seal the canister vent. This solenoid (the EVAP canister vent control valve) responds to signals from the Engine Control Module (ECM). When the ECM sends an ON signal, the coil in the solenoid valve is energized.
A plunger will then move to seal the canister vent. The ability to seal the vent is necessary for the on board diagnosis of other evaporative emission control system components.This solenoid valve is used only for diagnosis, and usually remains opened. When the vent is closed, under normal purge conditions, the evaporative emission control system is depressurized and allows EVAP Control System (Small Leak) diagnosis.
OBDII Code P0447 2005 Nissan Sentra - Evaporative Emission Control System Vent Control Circuit Open - AutoCodes.com
P0447 2005 Nissan Sentra Code - Evaporative Emission Control System Vent Control Circuit Open

What are the Possible Causes of the DTC P0447 2005 Nissan Sentra?

  • Faulty Canister Vent Control Valve
  • Canister Vent Control Valve harness is open or shorted
  • Canister Vent Control Valve electrical circuit poor connection

How to Fix the DTC P0447 2005 Nissan Sentra?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0447 2005 Nissan Sentra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0447 2005 Nissan Sentra code?

Need more information on how to fix the P0447 2005 Nissan Sentra code? Get Access to Factory Service Manuals

Need Help with the 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 P0447 2005 Nissan Sentra Code

1. What is OBDII code P0447 on a 2005 Nissan Sentra?

The OBDII code P0447 on a 2005 Nissan Sentra indicates a problem with the Evaporative Emission Control System Vent Control Circuit Open.

2. What are the common symptoms of OBDII code P0447 on a 2005 Nissan Sentra?

Common symptoms of OBDII code P0447 may include a check engine light illuminated on the dashboard, decreased fuel efficiency, and a noticeable gasoline odor.

3. What are the possible causes of OBDII code P0447 on a 2005 Nissan Sentra?

Possible causes of OBDII code P0447 include a faulty vent control valve, damaged wiring or connectors in the vent control circuit, or a malfunctioning PCM (powertrain control module).

4. How can I diagnose OBDII code P0447 on a 2005 Nissan Sentra?

Diagnosing OBDII code P0447 involves using an OBDII scanner to retrieve the specific trouble code, inspecting the vent control valve and its wiring for damage, and testing the circuit for continuity.

5. Can I continue driving my 2005 Nissan Sentra with OBDII code P0447?

It is not recommended to continue driving your 2005 Nissan Sentra with OBDII code P0447, as it can lead to increased emissions, reduced fuel efficiency, and potential damage to the vehicle's emission control system.

6. How can I repair OBDII code P0447 on a 2005 Nissan Sentra?

Repairing OBDII code P0447 on a 2005 Nissan Sentra typically involves replacing the faulty vent control valve, repairing any damaged wiring or connectors, and clearing the trouble code with an OBDII scanner.

7. Can I reset OBDII code P0447 on a 2005 Nissan Sentra by disconnecting the battery?

While disconnecting the battery may reset the check engine light temporarily, it will not address the underlying issue causing OBDII code P0447. It is recommended to diagnose and repair the problem to prevent it from reoccurring.

8. How much does it cost to repair OBDII code P0447 on a 2005 Nissan Sentra?

The cost to repair OBDII code P0447 on a 2005 Nissan Sentra can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Will OBDII code P0447 on a 2005 Nissan Sentra affect the vehicle's performance?

While OBDII code P0447 may not directly impact the performance of the vehicle, it can lead to increased emissions and decreased fuel efficiency if left unresolved.

10. How often does OBDII code P0447 occur in 2005 Nissan Sentra vehicles?

OBDII code P0447 can occur in 2005 Nissan Sentra vehicles due to various factors, such as age, mileage, and maintenance history. It is not a common issue but should be addressed promptly to maintain the vehicle's emission control system.

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