AutoCodes – Dodge – P3427 Dodge

P3427 Dodge Code - Cylinder 4 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: P3427 Dodge indicates Cylinder 4 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 1,614

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 P3427 Dodge 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 P3427 Dodge - Cylinder 4 Deactivation Control Circuit Low - AutoCodes.com — P3427 Dodge Code - Cylinder 4 Deactivation Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC P3427 Dodge?

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 P3427 Dodge?

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 P3427 Dodge 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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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 P3427 Dodge Code

1. What does the OBDII code P3427 mean on a Dodge vehicle?

P3427 indicates a "Cylinder 4 Deactivation Control Circuit Low" issue, meaning the system responsible for deactivating cylinder 4 is not functioning correctly due to low voltage or a circuit malfunction.

2. What are the common symptoms of code P3427 in a Dodge?

Symptoms may include poor fuel economy, reduced engine performance, rough idling, illuminated check engine light, and possible misfires.

3. What causes the P3427 code to appear?

Common causes include a faulty cylinder deactivation solenoid, damaged or corroded wiring, a malfunctioning PCM, or low oil pressure affecting the deactivation system.

4. Can driving with a P3427 code damage the engine?

Driving with this code may not immediately harm the engine, but prolonged operation can lead to increased wear, poor performance, and potential long-term damage if left unresolved.

5. How do I diagnose a P3427 code?

Start by inspecting the wiring and connectors for cylinder 4â€™s deactivation solenoid, test the solenoid itself for proper operation, check oil pressure, and use a scan tool to monitor related data.

6. How is the P3427 code fixed?

Repairs may include replacing the cylinder 4 deactivation solenoid, repairing or replacing damaged wiring, cleaning electrical connections, or updating/reprogramming the PCM if necessary.

7. Can low oil pressure trigger the P3427 code?

Yes, low oil pressure can prevent the cylinder deactivation system from functioning correctly, potentially causing the P3427 code to appear.

8. Is the P3427 code specific to Dodge vehicles?

No, while this code can appear on Dodge vehicles, it can also occur on other makes and models that use cylinder deactivation technology.

9. Will clearing the P3427 code fix the problem?

Clearing the code may temporarily turn off the check engine light, but the underlying issue must be addressed to prevent the code from returning.

10. How much does it cost to repair a P3427 code on a Dodge?

Repair costs vary, but replacing a cylinder deactivation solenoid typically ranges from $100 to $300, while wiring repairs or PCM replacement may cost more.