P3443 2016 Chevrolet Silverado Code - Cylinder 6 Deactivation Solenoid Valve Control Circuit Low Voltage
Quick Answer
The P3443 diagnostic trouble code (DTC) on a 2016 Chevrolet Silverado indicates an issue with the Cylinder 6 Deactivation Solenoid Valve Control Circuit experiencing low voltage. Common causes include Faulty Cylinder 6 Deactivation Solenoid Valve, Damaged wiring or connectors in the control circuit, Poor electrical connections. 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 2016 Chevrolet Silverado indicates Cylinder 6 Deactivation Solenoid Valve Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty Cylinder 6 Deactivation Solenoid Valve, Damaged wiring or connectors in the control circuit, Poor electrical connections.
- 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 2016 Chevrolet Silverado Description
The P3443 diagnostic trouble code (DTC) on a 2016 Chevrolet Silverado indicates an issue with the Cylinder 6 Deactivation Solenoid Valve Control Circuit experiencing low voltage. This solenoid valve is a crucial component of the engine's Variable Valve Timing (VVT) system, which controls the opening and closing of valves to optimize engine performance and fuel efficiency.
Common Causes of P3443 2016 Chevrolet Silverado
- Faulty Cylinder 6 Deactivation Solenoid Valve
- Damaged wiring or connectors in the control circuit
- Poor electrical connections
- Issues with the engine control module (ECM)
- Electrical system malfunctions
Symptoms of P3443 2016 Chevrolet Silverado
- Reduced engine power
- Decreased fuel efficiency
- Rough idling or stalling
- Engine misfires
- Illumination of the check engine light
How to Fix P3443 2016 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.
- Inspect the solenoid valve, wiring, and connectors for any visible damage or corrosion.
- Test the electrical connections and ensure they are secure and free of debris.
- If the solenoid valve is faulty, replace it with a new one that meets manufacturer specifications.
- Clear the DTC and perform a test drive to verify that the issue has been resolved.
Cost to Fix P3443 2016 Chevrolet Silverado
The typical repair costs for addressing a P3443 DTC on a 2016 Chevrolet Silverado can vary depending on the specific cause of the issue. Generally, replacing a faulty solenoid valve and addressing related wiring or connector issues can range from $200 to $500, including parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check local rates for a more accurate estimate.
Need more information about the P3443 2016 Chevrolet Silverado code?
Need more information on how to fix the P3443 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P3443 2016 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P3443 2016 Chevrolet Silverado Code
What does the OBDII code P3443 mean on a 2016 Chevrolet Silverado?
P3443 indicates a problem with the Cylinder 6 Deactivation Solenoid Valve Control Circuit, specifically low voltage, which affects the engine's cylinder deactivation system.
What are the common symptoms of code P3443 in a 2016 Chevrolet Silverado?
Symptoms may include reduced fuel efficiency, rough idling, misfires, a lit check engine light, and reduced overall engine performance.
What causes the P3443 code to appear in my Silverado?
Common causes include a faulty cylinder deactivation solenoid, damaged wiring or connectors, low oil pressure, or a malfunctioning engine control module (ECM).
Can low oil pressure trigger the P3443 code?
Yes, insufficient oil pressure can prevent proper operation of the cylinder deactivation solenoid, leading to the P3443 code.
How do I diagnose the P3443 code in my 2016 Chevrolet Silverado?
Diagnosis typically involves checking the cylinder 6 solenoid, inspecting wiring and connectors for damage, measuring oil pressure, and using a scan tool to monitor solenoid performance.
Can I drive my Silverado with the P3443 code active?
Driving with this code is not recommended, as it can lead to engine performance issues and potentially cause further damage if left unaddressed.
How is the P3443 code fixed in a 2016 Chevrolet Silverado?
Repairs may include replacing the cylinder 6 deactivation solenoid, repairing damaged wiring, correcting oil pressure issues, or reprogramming or replacing the ECM if necessary.
Is the P3443 code related to the Active Fuel Management (AFM) system?
Yes, this code directly relates to the AFM system, which deactivates cylinders to improve fuel efficiency. A malfunction in this system triggers the code.
How much does it cost to repair the P3443 code on a Silverado?
Repair costs vary but typically range from $150 to $500, depending on whether the issue is a solenoid replacement, wiring repair, or more extensive fixes.
Can a dirty or clogged oil passage cause the P3443 code?
Yes, a clogged oil passage can restrict oil flow to the cylinder deactivation solenoid, resulting in the low voltage issue and triggering the code.
Discuss the causes and fixes for P3443 2016 Chevrolet Silverado OBDII Code
Code P3443 2016 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.