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P3425 2016 Chevrolet Silverado Code - Cylinder 4 Deactivation Solenoid Valve Control Circuit

Quick Answer

The P3425 diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado refers to an issue with the Cylinder 4 Deactivation Solenoid Valve Control Circuit. Common causes include Faulty Cylinder 4 Deactivation Solenoid Valve, Wiring issues in the control circuit, ECM malfunction. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P3425 2016 Chevrolet Silverado indicates Cylinder 4 Deactivation Solenoid Valve Control Circuit.
Common causes
Common causes include Faulty Cylinder 4 Deactivation Solenoid Valve, Wiring issues in the control circuit, ECM malfunction.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P3425 2016 Chevrolet Silverado Description

The P3425 diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado refers to an issue with the Cylinder 4 Deactivation Solenoid Valve Control Circuit. In vehicles equipped with cylinder deactivation systems, such as Chevrolet's Active Fuel Management (AFM) technology, certain cylinders can be temporarily disabled to improve fuel efficiency. The deactivation solenoid valve controls the flow of oil to deactivate or reactivate cylinders as needed. When the control circuit for Cylinder 4's solenoid valve malfunctions, it can lead to a variety of performance issues.

OBDII Code P3425 2016 Chevrolet Silverado - Cylinder 4 Deactivation Solenoid Valve Control Circuit
P3425 2016 Chevrolet Silverado Code - Cylinder 4 Deactivation Solenoid Valve Control Circuit

Common Causes of P3425 2016 Chevrolet Silverado

  1. Faulty Cylinder 4 Deactivation Solenoid Valve
  2. Wiring issues in the control circuit
  3. ECM malfunction
  4. Low oil pressure
  5. Engine overheating

Symptoms of P3425 2016 Chevrolet Silverado

  1. Decreased fuel efficiency
  2. Rough engine idle
  3. Hesitation or surging during acceleration
  4. Engine misfires
  5. Engine stalling

How to Fix P3425 2016 Chevrolet Silverado

  1. Begin by inspecting the wiring and connectors in the Cylinder 4 Deactivation Solenoid Valve control circuit for any damage or corrosion.
  2. Test the solenoid valve itself to determine if it is functioning properly. If it is faulty, replace it with a new one.
  3. Check the oil pressure and ensure it is at the correct levels, as low oil pressure can affect the operation of the solenoid valve.
  4. If the issue persists, diagnose the ECM for any faults and replace it if necessary.
  5. Clear the DTC and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P3425 2016 Chevrolet Silverado

The cost of repairing a P3425 code on a 2016 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, replacing a faulty solenoid valve can cost between $100 and $300, while diagnosing and repairing wiring issues or ECM problems can range from $200 to $600 or more. Labor costs can add an additional $80 to $150 per hour, and the total repair cost could be anywhere from $300 to $1000 or more. It's recommended to consult with a qualified mechanic or dealership for a more accurate estimate based on the specific circumstances of the vehicle.

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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 P3425 2016 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P3425 on a 2016 Chevrolet Silverado?

The common symptoms of code P3425 include engine misfires, rough idling, reduced fuel efficiency, and the Check Engine light illuminating on the dashboard.

2. What causes OBDII code P3425 to trigger in a 2016 Chevrolet Silverado?

Code P3425 is typically triggered by issues with the Cylinder 4 Deactivation Solenoid Valve Control Circuit, which can be caused by a faulty solenoid valve, wiring problems, or a malfunctioning engine control module (ECM).

3. How serious is OBDII code P3425 on a 2016 Chevrolet Silverado?

While the vehicle may still be driveable with code P3425, it is important to address the issue promptly to prevent further damage to the engine or catalytic converter and to ensure optimal vehicle performance.

4. Can I continue driving my 2016 Chevrolet Silverado with OBDII code P3425?

It is not recommended to continue driving your Silverado with code P3425, as unresolved issues with the Cylinder 4 Deactivation Solenoid Valve Control Circuit can lead to more significant engine problems over time.

5. How can I diagnose OBDII code P3425 on my 2016 Chevrolet Silverado?

Diagnosing code P3425 involves using a diagnostic scanner to retrieve the specific fault code, inspecting the Cylinder 4 Deactivation Solenoid Valve and its wiring, and testing the related components for proper functioning.

6. What are some repair tips for fixing OBDII code P3425 on a 2016 Chevrolet Silverado?

Repairing code P3425 may involve replacing the Cylinder 4 Deactivation Solenoid Valve, repairing damaged wiring, or resetting the ECM. It is recommended to consult a professional mechanic for an accurate diagnosis and repair.

7. Can a DIY enthusiast fix OBDII code P3425 on a 2016 Chevrolet Silverado?

While some aspects of diagnosing and repairing code P3425 may be possible for experienced DIY enthusiasts, due to the complexity of the system involved, it is recommended to seek professional help to ensure the issue is properly addressed.

8. How much does it cost to repair OBDII code P3425 on a 2016 Chevrolet Silverado?

The cost of repairing code P3425 can vary depending on the root cause of the issue, the necessary parts, and labor costs. It is advisable to obtain quotes from different mechanics or service centers for an accurate estimate.

9. Will resetting the Check Engine light fix OBDII code P3425 on a 2016 Chevrolet Silverado?

Resetting the Check Engine light may temporarily turn off the light, but it will not fix the underlying issue causing code P3425. It is crucial to diagnose and repair the problem to prevent the code from reoccurring.

10. Is OBDII code P3425 a common issue in 2016 Chevrolet Silverado vehicles?

While code P3425 may not be as common as some other OBDII codes, it can still occur in 2016 Silverado models due to various factors affecting the Cylinder 4 Deactivation Solenoid Valve Control Circuit.

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