P3442 2018 GMC Sierra Code - Cylinder 6 Deactivation Solenoid Valve Control Performance
Quick Answer
The P3442 diagnostic trouble code (DTC) for a 2018 GMC Sierra indicates an issue with the Cylinder 6 Deactivation Solenoid Valve Control Performance. Common causes include Faulty Cylinder 6 Deactivation Solenoid Valve, Wiring or connector issues in the solenoid valve circuit, Low oil pressure or dirty oil affecting the solenoid valve operation. 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
- P3442 2018 GMC Sierra indicates Cylinder 6 Deactivation Solenoid Valve Control Performance.
- Common causes
- Common causes include Faulty Cylinder 6 Deactivation Solenoid Valve, Wiring or connector issues in the solenoid valve circuit, Low oil pressure or dirty oil affecting the solenoid valve operation.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P3442 2018 GMC Sierra Description
The P3442 diagnostic trouble code (DTC) for a 2018 GMC Sierra indicates an issue with the Cylinder 6 Deactivation Solenoid Valve Control Performance. In vehicles equipped with cylinder deactivation technology, such as General Motors' Active Fuel Management (AFM) system, certain cylinders can be deactivated to improve fuel efficiency under light load conditions. The solenoid valve controls the oil flow to the lifters that deactivate the cylinders.
Common Causes of P3442 2018 GMC Sierra
- Faulty Cylinder 6 Deactivation Solenoid Valve.
- Wiring or connector issues in the solenoid valve circuit.
- Low oil pressure or dirty oil affecting the solenoid valve operation.
- PCM software issues or calibration errors.
- Mechanical issues with the cylinder deactivation system components.
Symptoms of P3442 2018 GMC Sierra
- Check Engine Light illuminated on the dashboard.
- Rough idling or vibrations when the engine is running.
- Decreased fuel efficiency.
- Engine misfires or hesitation during acceleration.
- Engine may run in a reduced power mode.
How to Fix P3442 2018 GMC Sierra
- Begin by diagnosing the specific cause of the P3442 code using a scan tool to monitor the solenoid valve's operation.
- Inspect the wiring and connectors related to the solenoid valve for any damage or corrosion, repairing or replacing as necessary.
- Check the oil level and quality, ensuring it meets the manufacturer's specifications, and perform an oil change if needed.
- Test the solenoid valve's resistance and operation, replacing it if found to be faulty.
- Clear the DTC and perform a test drive to verify that the issue has been resolved.
Cost to Fix P3442 2018 GMC Sierra
The cost of repairing a Cylinder 6 Deactivation Solenoid Valve Control Performance issue can vary depending on the specific cause of the problem and the labor rates in your area. In general, replacing a faulty solenoid valve can cost between $150 to $300 for the part alone. Labor costs can range from $100 to $200, with the total repair bill likely falling between $250 and $500. Keep in mind that these are rough estimates, and actual costs may differ based on your location and the repair shop you choose. It's recommended to obtain quotes from multiple shops to ensure a competitive price.
Need more information about the P3442 2018 GMC Sierra code?
Need more information on how to fix the P3442 2018 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P3442 2018 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P3442 2018 GMC Sierra Code
1. What are the common symptoms of OBDII code P3442 in a 2018 GMC Sierra?
The common symptoms include rough idling, decreased fuel efficiency, and potential engine misfires.
2. What does the OBDII code P3442 indicate in a 2018 GMC Sierra?
The code P3442 indicates an issue with the Cylinder 6 Deactivation Solenoid Valve Control Performance.
3. What are the possible causes of OBDII code P3442 in a 2018 GMC Sierra?
Possible causes include a faulty cylinder 6 deactivation solenoid, wiring issues, low oil pressure, or a malfunctioning PCM.
4. How can I diagnose the OBDII code P3442 in a 2018 GMC Sierra?
Diagnosis involves checking the cylinder 6 deactivation solenoid, inspecting wiring for damage, testing oil pressure, and scanning the PCM for other related faults.
5. Can I continue driving my 2018 GMC Sierra with OBDII code P3442?
It is not recommended to drive the vehicle with this code active, as it can lead to engine performance issues and potential damage.
6. How can I repair OBDII code P3442 in a 2018 GMC Sierra?
Repair may involve replacing the cylinder 6 deactivation solenoid, repairing wiring issues, addressing low oil pressure problems, or reprogramming the PCM.
7. Will resetting the OBDII code P3442 in a 2018 GMC Sierra fix the issue?
Resetting the code may temporarily turn off the check engine light, but it will not fix the underlying problem causing the P3442 code.
8. Is the repair for OBDII code P3442 in a 2018 GMC Sierra costly?
The repair cost can vary depending on the exact cause, but it may involve moderate to high expenses, especially if components need replacement.
9. Can I prevent OBDII code P3442 from occurring in my 2018 GMC Sierra?
Regular vehicle maintenance, including timely oil changes and system checks, can help prevent issues leading to the P3442 trouble code.
10. Does OBDII code P3442 affect the overall performance of a 2018 GMC Sierra?
Yes, this code can impact the engine's performance, fuel efficiency, and overall driving experience, so it is important to address it promptly.
Discuss the causes and fixes for P3442 2018 GMC Sierra OBDII Code
Code P3442 2018 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.