AutoCodes - OBDII Code List - P0447 NISSAN

P0447 NISSAN - Evaporative Emission Control System Vent Control Circuit Open

Repair Importance Level: 1/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

P0447 NISSAN Possible Causes

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

How do I fix code P0447 NISSAN?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Tech Notes

There is a factory service bulletin for the following Nissan models:

2002 Nissan Altima
2003 Nissan Altima
2004 Nissan Altima
2005 Nissan Altima
2002-2005 Nissan Altima Service Bulletin OBDII Code P0447

Cost of diagnosing the P0447 NISSAN code

Labor: 1.0

The cost of diagnosing the P0447 NISSAN code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

When is the code detected?

An improper voltage signal is sent to Engine Control Module (ECM) through Evaporative Emission System (EVAP) canister vent control valve.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0447 NISSAN 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 Nissan - Evaporative Emission Control System Vent Control Circuit Open - AutoCodes.com

More Information

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Comments

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