AutoCodes – Volkswagen – P0459 Volkswagen

P0459 Volkswagen Code - EVAP System Purge Control Solenoid High

Quick Answer

The Evaporative Emission System (EVAP) canister purge volume control solenoid valve uses a ON/OFF duty to control the flow rate of fuel vapor from the EVAP canister. Common causes include Faulty Evaporative Emission (EVAP) Purge Solenoid Control, Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted, Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical 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
P0459 Volkswagen indicates EVAP System Purge Control Solenoid High.
Common causes
Common causes include Faulty Evaporative Emission (EVAP) Purge Solenoid Control, Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted, Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical 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 6,636
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 P0459 Volkswagen Description

The Evaporative Emission System (EVAP) canister purge volume control solenoid valve uses a ON/OFF duty to control the flow rate of fuel vapor from the EVAP canister. The EVAP canister purge volume control solenoid valve is moved by ON/OFF pulses from the Engine Control Module (ECM). The longer the ON pulse, the greater the amount of fuel vapor that will flow through the valve.
OBDII Code P0459 Volkswagen - EVAP System Purge Control Solenoid High - AutoCodes.com
P0459 Volkswagen Code - EVAP System Purge Control Solenoid High

What are the Possible Causes of the DTC P0459 Volkswagen?

  • Faulty Evaporative Emission (EVAP) Purge Solenoid Control
  • Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted
  • Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical connection

How to Fix the DTC P0459 Volkswagen?

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 P0459 Volkswagen 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 P0459 Volkswagen code?

Need more information on how to fix the P0459 Volkswagen code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0459 Volkswagen code diagnosed by a professional: Find a repair shop in your area

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 P0459 Volkswagen Code

1. What are the common symptoms of OBDII code P0459 in a Volkswagen?

The common symptoms of code P0459 in a Volkswagen may include the check engine light illuminating, a strong smell of fuel, rough idling, and issues with the vehicle's fuel efficiency.

2. What does OBDII code P0459 indicate in a Volkswagen?

OBDII code P0459 in a Volkswagen indicates a problem with the EVAP system purge control solenoid circuit being high.

3. What are the possible causes of OBDII code P0459 in a Volkswagen?

Possible causes of code P0459 in a Volkswagen include a faulty EVAP system purge control solenoid, damaged wiring or connectors in the circuit, a vacuum leak in the EVAP system, or a problem with the vehicle's computer.

4. How is OBDII code P0459 diagnosed in a Volkswagen?

Diagnosing code P0459 in a Volkswagen typically involves using an OBDII scanner to retrieve the code, inspecting the EVAP system components for any visible damage, testing the purge control solenoid, and checking the wiring and connectors for any faults.

5. Can I continue driving my Volkswagen with OBDII code P0459?

It is not recommended to continue driving your Volkswagen with OBDII code P0459, as it can lead to decreased fuel efficiency, poor engine performance, and potential damage to the EVAP system components.

6. How can OBDII code P0459 be repaired in a Volkswagen?

Repairing OBDII code P0459 in a Volkswagen typically involves replacing the faulty EVAP system purge control solenoid, repairing any damaged wiring or connectors, fixing any vacuum leaks in the EVAP system, and clearing the trouble code from the vehicle's computer.

7. Does OBDII code P0459 pose any safety risks in a Volkswagen?

While OBDII code P0459 itself does not pose immediate safety risks, ignoring the issue can lead to decreased fuel efficiency and potential damage to the vehicle's emissions system over time.

8. Can I reset OBDII code P0459 in a Volkswagen without fixing the underlying issue?

Resetting OBDII code P0459 in a Volkswagen without fixing the underlying issue will only temporarily clear the check engine light, but the problem will likely resurface until the root cause is addressed.

9. How much does it cost to repair OBDII code P0459 in a Volkswagen?

The cost to repair OBDII code P0459 in a Volkswagen can vary depending on the specific issue, with potential costs including parts for the solenoid replacement, labor for diagnosis and repair, and any additional components needed to fix the problem.

10. Can a DIY enthusiast fix OBDII code P0459 in a Volkswagen?

While some DIY enthusiasts may have the skills and tools necessary to address OBDII code P0459 in a Volkswagen, it is recommended to consult a professional mechanic for proper diagnosis and repair to ensure the issue is resolved correctly.

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