P3425 2017 GMC Sierra Code - Cylinder 4 Deactivation Solenoid Valve Control Circuit
Quick Answer
The P3425 diagnostic trouble code (DTC) for the 2017 GMC Sierra refers to an issue with the Cylinder 4 Deactivation Solenoid Valve Control Circuit. Common causes include Wiring issues, Faulty solenoid valve, Malfunctioning engine control module (ECM). 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 2017 GMC Sierra indicates Cylinder 4 Deactivation Solenoid Valve Control Circuit.
- Common causes
- Common causes include Wiring issues, Faulty solenoid valve, Malfunctioning engine control module (ECM).
- 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.
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Code P3425 2017 GMC Sierra Description
The P3425 diagnostic trouble code (DTC) for the 2017 GMC Sierra refers to an issue with the Cylinder 4 Deactivation Solenoid Valve Control Circuit. This code indicates that there is a malfunction in the control circuit of the solenoid valve responsible for deactivating the intake and exhaust valves in cylinder 4. This system is part of the Active Fuel Management (AFM) system, which is designed to improve fuel efficiency by deactivating specific cylinders under light load conditions.
Common Causes of P3425 2017 GMC Sierra
- Wiring issues
- Faulty solenoid valve
- Malfunctioning engine control module (ECM)
- Mechanical problems within the engine
Symptoms of P3425 2017 GMC Sierra
- Rough idling
- Misfires
- Decreased power
- Engine stalling
- Reduced fuel efficiency
How to Fix P3425 2017 GMC Sierra
- Begin by inspecting the wiring and connections related to the cylinder 4 deactivation solenoid valve control circuit. Look for any signs of damage, corrosion, or loose connections. Repair or replace any damaged wiring as needed.
- Test the solenoid valve itself to determine if it is functioning properly. If the solenoid valve is faulty, replace it with a new one.
- Check the engine control module (ECM) for any software issues or malfunctions. Update the ECM software if necessary, or replace the ECM if it is determined to be the cause of the problem.
- Perform a thorough inspection of the engine to rule out any mechanical issues that may be affecting the cylinder 4 deactivation solenoid valve control circuit. Repair any mechanical problems as needed.
Cost to Fix P3425 2017 GMC Sierra
The cost of repairing the Cylinder 4 Deactivation Solenoid Valve Control Circuit issue can vary depending on the specific cause of the problem and the labor rates in your area. On average, the cost of parts for this repair may range from $100 to $300, while the labor costs can range from $150 to $400. Overall, you can expect to pay anywhere from $250 to $700 for this repair, but it's important to get a detailed estimate from a qualified mechanic based on your vehicle's make and model, as well as the specific diagnosis required.
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Frequently Asked Questions about P3425 2017 GMC Sierra Code
What does the OBDII code P3425 mean on a 2017 GMC Sierra?
1. P3425 indicates an issue with the Cylinder 4 Deactivation Solenoid Valve Control Circuit, often related to the Active Fuel Management (AFM) system. 2.
What are the common symptoms of a P3425 code?
Symptoms may include poor fuel economy, rough idling, reduced engine performance, a check engine light, or noticeable vibrations when driving. 3.
What causes the P3425 code to appear?
Common causes include a faulty cylinder deactivation solenoid, wiring or connector issues, oil pressure problems, or a malfunction in the powertrain control module (PCM). 4.
Can low oil pressure trigger a P3425 code?
Yes, low oil pressure can prevent the solenoid from functioning properly, triggering the P3425 code. 5.
How do you diagnose a P3425 code on a 2017 GMC Sierra?
Diagnosis involves using a scan tool to confirm the code, inspecting the solenoid and wiring for damage, checking oil pressure, and testing the solenoid for continuity. 6.
Is it safe to drive with a P3425 code?
While the vehicle may still be drivable, ignoring the code can lead to engine damage or reduced fuel efficiency. It's best to address the issue promptly. 7.
How do you fix the P3425 code on a GMC Sierra?
Repairs may involve replacing the cylinder deactivation solenoid, repairing or replacing damaged wiring, addressing oil pressure issues, or reprogramming the PCM. 8.
How much does it cost to repair a P3425 code?
Repair costs can vary, but replacing the solenoid typically ranges from $150 to $300, including parts and labor. Additional repairs may increase costs. 9.
Can dirty oil cause a P3425 code?
Yes, dirty or degraded oil can clog the solenoid or reduce oil pressure, leading to the code. Regular oil changes can help prevent this issue. 10.
Does the P3425 code affect all cylinders or just Cylinder 4?
The P3425 code specifically pertains to Cylinder 4. However, similar issues in other cylinders will generate different codes.
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