AutoCodes – Chrysler – P3443 Chrysler

P3443 Chrysler Code - Cylinder 6 Deactivation Control Circuit Low

Quick Answer

When all the criteria has been met,power is supplied to each Multi-Displacement System (MDS) Solenoid when engine is making a transition from 8 cylinder mode to 4 cylinder mode. Common causes include Low oil pressure, Restricted oil passage, Engine mechanical condition. 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 Low oil pressure, Restricted oil passage, Engine mechanical condition.
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 Popularity 1,517

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P3443 Chrysler Description

When all the criteria has been met,power is supplied to each Multi-Displacement System (MDS) Solenoid when engine is making a transition from 8 cylinder mode to 4 cylinder mode. By actuating the solenoid, oil pressure is raised to the pair of lifter that coincide with each particular solenoid. The oil pressure pushes in the locking pins that allows the lifter to collapse, decoupling the valves and camshafts.

OBDII Code P3443 Chrysler - Cylinder 6 Deactivation Control Circuit Low - AutoCodes.com — P3443 Chrysler Code - Cylinder 6 Deactivation Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC P3443 Chrysler?

Low oil pressure
Restricted oil passage
Engine mechanical condition
Faulty Multiple Displacement System (MDS) Solenoid
Multiple Displacement System (MDS) Solenoid harness is open or shorted
Multiple Displacement System (MDS) Solenoid circuit poor electrical connection

How to Fix the DTC P3443 Chrysler?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P3443 Chrysler code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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Need Help with the Code?

Get the P3443 Chrysler code diagnosed by a professional: Find a repair shop in your area

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.