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P3443 Chrysler Code - Cylinder 6 Deactivation Control Circuit Low

Quick Answer

The P3443 Chrysler diagnostic trouble code (DTC) refers to an issue with the Cylinder 6 Deactivation Control Circuit being detected as low. Common causes include Faulty cylinder deactivation solenoid, Wiring issues or loose connections in the control circuit, Defective 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
P3443 Chrysler indicates Cylinder 6 Deactivation Control Circuit Low.
Common causes
Common causes include Faulty cylinder deactivation solenoid, Wiring issues or loose connections in the control circuit, Defective 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P3443 Chrysler Description

The P3443 Chrysler diagnostic trouble code (DTC) refers to an issue with the Cylinder 6 Deactivation Control Circuit being detected as low. In modern engines, cylinder deactivation technology is used to improve fuel efficiency by shutting off cylinders when they are not needed, such as during cruising or light load conditions. Cylinder deactivation helps reduce fuel consumption and emissions by running the engine more efficiently.

OBDII Code P3443 Chrysler - Cylinder 6 Deactivation Control Circuit Low
P3443 Chrysler Code - Cylinder 6 Deactivation Control Circuit Low

Common Causes of P3443 Chrysler

  1. Faulty cylinder deactivation solenoid
  2. Wiring issues or loose connections in the control circuit
  3. Defective engine control module (ECM)
  4. Low engine oil level or poor oil quality affecting the cylinder deactivation system
  5. Mechanical issues with Cylinder 6, such as worn piston rings or valves

Symptoms of P3443 Chrysler

  1. Rough idling or engine misfires
  2. Reduced power and acceleration
  3. Poor fuel economy
  4. Illumination of the check engine light
  5. Engine stalling or hesitation

How to Fix P3443 Chrysler

  1. Begin by using a scan tool to verify the P3443 code and check for any other related codes.
  2. Inspect the wiring and connections in the Cylinder 6 deactivation control circuit for any breaks or corrosion. Repair or replace damaged wires as needed.
  3. Test the cylinder deactivation solenoid for proper operation and replace if faulty.
  4. Check the engine oil level and quality, ensuring it meets manufacturer specifications for the cylinder deactivation system.
  5. If the issue persists, consider replacing the engine control module (ECM) if it is determined to be the root cause of the problem.

Cost to Fix P3443 Chrysler

The typical repair costs for addressing a P3443 Chrysler code can vary depending on the specific cause of the issue. In general, parts such as a cylinder deactivation solenoid or engine control module can range from $100 to $500, while labor costs can add another $100 to $200. Overall, the total repair bill for this issue could range from $200 to $700. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's recommended to obtain a personalized estimate from a local shop.

What does this mean?

Tech Notes for P3443 Chrysler

Although in some cases changing the engine oil may fix the problem, usually the Multi Displacement System Solenoid may need to replaced.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P3443 Chrysler Code

1. What are the common symptoms of OBDII code P3443 in a Chrysler vehicle?

- Common symptoms include rough engine idle, reduced engine performance, and the Check Engine light being illuminated.

2. What does the OBDII code P3443 Chrysler indicate?

- The code P3443 indicates an issue with the Cylinder 6 Deactivation Control Circuit being detected as low.

3. What are the potential causes of OBDII code P3443 in a Chrysler?

- Possible causes include a faulty cylinder deactivation solenoid, wiring issues in the control circuit, low engine oil pressure, or a malfunctioning engine control module.

4. How can I diagnose the Cylinder 6 Deactivation Control Circuit Low issue in my Chrysler?

- Diagnostic steps may include checking the wiring for any damage, testing the cylinder deactivation solenoid for proper functioning, and verifying the engine oil pressure.

5. Is it safe to continue driving with OBDII code P3443 illuminated in my Chrysler?

- It is not recommended to continue driving with the code illuminated, as it can lead to further engine issues and potential damage if left unaddressed.

6. Can I repair the Cylinder 6 Deactivation Control Circuit Low issue in my Chrysler myself?

- Depending on your automotive knowledge and skills, you may be able to address the issue yourself by replacing the faulty components or repairing the wiring. However, professional assistance is recommended for a thorough diagnosis and proper repair.

7. How much does it typically cost to repair OBDII code P3443 in a Chrysler?

- The repair costs can vary depending on the exact cause of the issue and whether you choose to address it yourself or seek professional help. Costs may range from a few hundred to over a thousand dollars.

8. Will resetting the Check Engine light resolve the OBDII code P3443 in my Chrysler?

- Resetting the Check Engine light may temporarily turn off the warning indicator, but it will not resolve the underlying issue causing the code P3443. It is essential to diagnose and address the root cause of the problem.

9. Can a low engine oil level trigger the OBDII code P3443 in a Chrysler?

- Yes, a low engine oil level or poor oil quality can affect the engine's performance, including the deactivation control circuit, and potentially trigger the code P3443.

10. How long can I safely drive my Chrysler with the Cylinder 6 Deactivation Control Circuit Low issue before getting it repaired?

- It is best to address the issue promptly to prevent any further damage to the engine. Continuing to drive with the problem unresolved may lead to more severe issues and costlier repairs in the long run.

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