P3443 2018 Chevrolet Silverado Code - Cylinder 6 Deactivation Solenoid Valve Control Circuit Low Voltage
Quick Answer
The diagnostic trouble code P3443 in a 2018 Chevrolet Silverado indicates a problem with the Cylinder 6 Deactivation Solenoid Valve Control Circuit having low voltage. Common causes include Faulty Cylinder 6 Deactivation Solenoid Valve, Wiring issues or loose connections in the solenoid valve circuit, ECM software or programming issues. 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
- P3443 2018 Chevrolet Silverado indicates Cylinder 6 Deactivation Solenoid Valve Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty Cylinder 6 Deactivation Solenoid Valve, Wiring issues or loose connections in the solenoid valve circuit, ECM software or programming issues.
- 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 P3443 2018 Chevrolet Silverado Description
The diagnostic trouble code P3443 in a 2018 Chevrolet Silverado indicates a problem with the Cylinder 6 Deactivation Solenoid Valve Control Circuit having low voltage. This code is specific to vehicles equipped with Variable Valve Timing (VVT) systems, which help optimize engine performance and fuel efficiency by adjusting valve timing and lift.
Common Causes of P3443 2018 Chevrolet Silverado
- Faulty Cylinder 6 Deactivation Solenoid Valve.
- Wiring issues or loose connections in the solenoid valve circuit.
- ECM software or programming issues.
- Electrical problems such as a blown fuse or relay.
- Engine overheating causing damage to the solenoid valve.
Symptoms of P3443 2018 Chevrolet Silverado
- Check Engine Light illuminated on the dashboard.
- Reduced fuel efficiency.
- Engine misfires or rough idling.
- Loss of power or decreased acceleration.
- Engine stalling or hesitation during acceleration.
How to Fix P3443 2018 Chevrolet Silverado
- Begin by diagnosing the specific cause of the low voltage in the Cylinder 6 Deactivation Solenoid Valve Control Circuit using a diagnostic scanner and multimeter.
- Inspect the wiring harness and connections for any signs of damage, corrosion, or loose connections. Repair or replace as needed.
- Test the solenoid valve itself for proper operation and replace if found to be faulty.
- Check the ECM for any software updates or programming issues. Perform any necessary updates or reprogramming.
- Clear the trouble code from the ECM memory and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P3443 2018 Chevrolet Silverado
The cost of repairing the Cylinder 6 Deactivation Solenoid Valve Control Circuit Low Voltage issue in a 2018 Chevrolet Silverado can vary depending on the specific cause of the problem. On average, the cost of parts for this repair can range from $100 to $300, while labor costs can range from $150 to $300. Overall, the total repair cost may fall between $250 and $600. It is important to note that labor rates at auto repair shops can vary, so it is advisable to obtain quotes from multiple shops to compare prices. Additionally, the cost of diagnosis time and any additional parts needed may also impact the final repair cost.
Need more information about the P3443 2018 Chevrolet Silverado code?
Need more information on how to fix the P3443 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P3443 2018 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P3443 2018 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P3443 in a 2018 Chevrolet Silverado?
- Common symptoms include rough idling, reduced engine performance, and possibly an illuminated check engine light.
2. What does the OBDII code P3443 indicate in a 2018 Chevrolet Silverado?
- This code indicates a low voltage condition in the control circuit of the Cylinder 6 Deactivation Solenoid Valve.
3. What are the possible causes of the Cylinder 6 Deactivation Solenoid Valve Control Circuit Low Voltage code in a 2018 Chevrolet Silverado?
- Possible causes include a faulty solenoid valve, damaged wiring or connectors, low engine oil level, or a malfunctioning powertrain control module.
4. How can I diagnose the issue causing OBDII code P3443 in my 2018 Chevrolet Silverado?
- Diagnosing the issue may involve checking the solenoid valve's resistance, inspecting the wiring and connectors for damage, and testing the powertrain control module.
5. Can I continue driving my 2018 Chevrolet Silverado with OBDII code P3443?
- It is not recommended to continue driving the vehicle with this code as it can lead to further engine problems and potential damage if left unresolved.
6. How can I repair OBDII code P3443 in a 2018 Chevrolet Silverado?
- Repair options may include replacing the Cylinder 6 Deactivation Solenoid Valve, repairing damaged wiring or connectors, replenishing engine oil if low, or reprogramming the powertrain control module.
7. Is it possible to clear the OBDII code P3443 in a 2018 Chevrolet Silverado without fixing the issue?
- Clearing the code without addressing the underlying problem will not resolve the issue permanently, as the check engine light is likely to come back on once the problem persists.
8. Can a DIY enthusiast fix OBDII code P3443 in a 2018 Chevrolet Silverado?
- Depending on the individual's skill level, some DIY enthusiasts may be able to address this code by following repair guides and using the necessary tools and equipment.
9. How much does it typically cost to repair OBDII code P3443 in a 2018 Chevrolet Silverado at a mechanic or dealership?
- The cost of repairs can vary depending on the exact cause of the issue, but it may range from a few hundred dollars to over a thousand dollars, including parts and labor.
10. Are there any preventive measures to avoid encountering OBDII code P3443 in a 2018 Chevrolet Silverado?
- Regular maintenance, such as oil changes and inspections, can help prevent issues like low engine oil levels that may trigger this code.
Discuss the causes and fixes for P3443 2018 Chevrolet Silverado OBDII Code
Code P3443 2018 Chevrolet Silverado 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.