P3428 2017 Chevrolet Silverado Code - Cylinder 4 Deactivation Solenoid Valve Control Circuit High Voltage
Quick Answer
The P3428 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to an issue with the Cylinder 4 Deactivation Solenoid Valve Control Circuit registering a high voltage. Common causes include Faulty Cylinder 4 Deactivation Solenoid Valve, Wiring issues in the control circuit, Poor electrical connection. 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
- P3428 2017 Chevrolet Silverado indicates Cylinder 4 Deactivation Solenoid Valve Control Circuit High Voltage.
- Common causes
- Common causes include Faulty Cylinder 4 Deactivation Solenoid Valve, Wiring issues in the control circuit, Poor electrical connection.
- 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 P3428 2017 Chevrolet Silverado Description
The P3428 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to an issue with the Cylinder 4 Deactivation Solenoid Valve Control Circuit registering a high voltage. This code is specifically related to the Active Fuel Management (AFM) system in the vehicle. The AFM system is designed to improve fuel efficiency by deactivating specific cylinders when they are not needed, such as during cruising or light load conditions. The Cylinder 4 Deactivation Solenoid Valve is responsible for controlling the activation and deactivation of cylinder 4 in this system.
Common Causes of P3428 2017 Chevrolet Silverado
- Faulty Cylinder 4 Deactivation Solenoid Valve
- Wiring issues in the control circuit
- Poor electrical connection
- PCM software malfunction
- Engine mechanical problems affecting cylinder deactivation
Symptoms of P3428 2017 Chevrolet Silverado
- Check Engine Light illuminated on the dashboard
- Decreased fuel efficiency
- Engine misfires or rough idling
- Reduced power or acceleration
- Engine stalling or hesitation
How to Fix P3428 2017 Chevrolet Silverado
- Begin by diagnosing the specific cause of the high voltage in the Cylinder 4 Deactivation Solenoid Valve Control Circuit using a scan tool to retrieve freeze frame data and live data.
- Inspect the wiring harness and connectors for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
- Test the Cylinder 4 Deactivation Solenoid Valve for proper operation and replace if found to be faulty.
- Clear the DTC and perform a road test to verify that the issue has been resolved.
- If the problem persists, further diagnosis may be required to identify any underlying issues with the AFM system or engine components.
Cost to Fix P3428 2017 Chevrolet Silverado
The cost of repairing a P3428 DTC on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, the cost of parts such as a new Cylinder 4 Deactivation Solenoid Valve can range from $50 to $150. Labor costs at auto repair shops typically range from $80 to $150 per hour. The total repair cost, including parts and labor, could range from $150 to $400 or more. It is advisable to consult with a professional mechanic to get an accurate estimate based on the specific diagnosis and repair needed for your vehicle.
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Frequently Asked Questions about P3428 2017 Chevrolet Silverado Code
1. What does OBDII code P3428 mean on a 2017 Chevrolet Silverado?
P3428 indicates a problem with the Cylinder 4 Deactivation Solenoid Valve Control Circuit, specifically detecting high voltage in the circuit.
2. What are the common symptoms of code P3428 in a 2017 Chevrolet Silverado?
Symptoms include rough idling, reduced fuel efficiency, misfires, hesitation during acceleration, and the Check Engine Light turning on.
3. What causes the P3428 code to appear?
Common causes include a faulty cylinder deactivation solenoid, damaged wiring or connectors, a malfunctioning ECM/PCM, or low oil pressure.
4. Can low oil pressure trigger the P3428 code?
Yes, low oil pressure can cause cylinder deactivation issues, as the system relies on proper oil pressure to function.
5. How can I diagnose a P3428 code in my 2017 Silverado?
Start by checking the wiring and connectors around the Cylinder 4 deactivation solenoid for damage or corrosion. Use a multimeter to test the solenoid and inspect oil levels and pressure.
6. Can I drive my 2017 Chevrolet Silverado with a P3428 code?
Driving is possible but not recommended, as it can cause further engine damage, reduced performance, and increased fuel consumption.
7. How is the P3428 code fixed?
Repairs may include replacing the Cylinder 4 deactivation solenoid, repairing or replacing damaged wiring, addressing oil pressure issues, or reprogramming the ECM/PCM if necessary.
8. How much does it cost to fix a P3428 code on a Chevrolet Silverado?
Repair costs vary, but replacing the solenoid typically ranges from $150 to $300, including parts and labor. Additional expenses may apply if wiring or ECM issues are involved.
9. Can a dirty or clogged oil filter cause the P3428 code?
Yes, a clogged oil filter can restrict oil flow, leading to low pressure and issues with the cylinder deactivation system.
10. Will clearing the P3428 code fix the issue permanently?
No, clearing the code without addressing the underlying issue will only provide a temporary solution, as the problem will likely return.
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