AutoCodesChevrolet – P0496 2015 Chevrolet Silverado

P0496 2015 Chevrolet Silverado Code - Evaporative Emission System Flow During Non-Purge

Quick Answer

This Diagnostic Trouble Code (DTC) tests for undesired intake manifold vacuum flow to the Evaporative Emission (EVAP) system. Common causes include Faulty Evaporative Emission Purge Solenoid Valve, Evaporative Emission Purge Solenoid Valve harness is open or shorted, Evaporative Emission Purge Solenoid Valve 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
P0496 2015 Chevrolet Silverado indicates Evaporative Emission System Flow During Non-Purge.
Common causes
Common causes include Faulty Evaporative Emission Purge Solenoid Valve, Evaporative Emission Purge Solenoid Valve harness is open or shorted, Evaporative Emission Purge Solenoid Valve 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 621
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 13, 2023
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Code P0496 2015 Chevrolet Silverado Description

This Diagnostic Trouble Code (DTC) tests for undesired intake manifold vacuum flow to the Evaporative Emission (EVAP) system. The Engine Control Module (ECM) seals the EVAP system by commanding the EVAP purge solenoid valve OFF and the vent solenoid valve ON. The ECM monitors the fuel tank pressure (FTP) sensor to determine if a vacuum is being drawn on the EVAP system. If the vacuum in the EVAP system is more than a predetermined value within a predetermined time, this DTC sets.
OBDII Code P0496 2015 Chevrolet Silverado - Evaporative Emission System Flow During Non-Purge - AutoCodes.com
P0496 2015 Chevrolet Silverado Code - Evaporative Emission System Flow During Non-Purge

What are the Possible Causes of the DTC P0496 2015 Chevrolet Silverado?

  • Faulty Evaporative Emission Purge Solenoid Valve
  • Evaporative Emission Purge Solenoid Valve harness is open or shorted
  • Evaporative Emission Purge Solenoid Valve circuit poor electrical connection

How to Fix the DTC P0496 2015 Chevrolet Silverado?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0496 2015 Chevrolet Silverado 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 P0496 2015 Chevrolet Silverado code?

Need more information on how to fix the P0496 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0496 2015 Chevrolet Silverado 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 P0496 2015 Chevrolet Silverado Code

1. What does the OBDII code P0496 on a 2015 Chevrolet Silverado indicate?

The P0496 code specifically points to an issue with the Evaporative Emission System Flow During Non-Purge on the vehicle.

2. What are common symptoms of a P0496 code in a 2015 Chevrolet Silverado?

Common symptoms of a P0496 code may include the illumination of the check engine light on the dashboard and potential issues with the vehicle's fuel efficiency.

3. What are some possible causes of the P0496 code in a 2015 Chevrolet Silverado?

Potential causes of the P0496 code can include a faulty purge valve, a leak in the evaporative emission system, a blocked charcoal canister, or issues with the fuel tank pressure sensor.

4. How serious is a P0496 code on a 2015 Chevrolet Silverado?

While the P0496 code is not an immediate cause for concern in terms of safety, it can affect the vehicle's emission control system and fuel economy if left unresolved.

5. Can I continue driving my 2015 Chevrolet Silverado with a P0496 code?

It is generally safe to continue driving the vehicle with a P0496 code, but it is advisable to address the issue promptly to prevent any potential long-term problems with the emission system.

6. How can I diagnose a P0496 code in my 2015 Chevrolet Silverado?

Diagnosing a P0496 code typically involves using an OBDII scanner to retrieve the code, checking for any visible signs of damage in the evaporative emission system components, and conducting a smoke test to detect leaks.

7. What are some repair tips for fixing a P0496 code on a 2015 Chevrolet Silverado?

Repairing a P0496 code may involve replacing the purge valve, repairing or replacing any damaged hoses in the evaporative emission system, checking and cleaning the charcoal canister, and ensuring proper sealing of all connections.

8. How much does it cost to fix a P0496 code on a 2015 Chevrolet Silverado?

The cost of fixing a P0496 code can vary depending on the exact cause of the issue, the extent of repairs needed, and labor costs. It is advisable to consult a professional mechanic for an accurate estimate.

9. Can I reset the check engine light after fixing a P0496 code on my 2015 Chevrolet Silverado?

Once the underlying issue causing the P0496 code has been resolved, you can reset the check engine light using an OBDII scanner to clear the error code from the vehicle's system.

10. How can I prevent the recurrence of a P0496 code on my 2015 Chevrolet Silverado?

To prevent the P0496 code from reoccurring, it is important to perform regular maintenance on the evaporative emission system, check for leaks or damage periodically, and address any issues promptly to ensure proper functioning of the system.

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