AutoCodes – Dodge – P3404 Dodge

P3404 Dodge Code - Cylinder 1 Deactivation Control Circuit High

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: P3404 Dodge indicates Cylinder 1 Deactivation Control Circuit High.
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 1,921

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 05, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P3404 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 P3404 Dodge - Cylinder 1 Deactivation Control Circuit High - AutoCodes.com — P3404 Dodge Code - Cylinder 1 Deactivation Control Circuit High

What does this mean?

What are the Possible Causes of the DTC P3404 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 P3404 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 P3404 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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Need Help with the Code?

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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 P3404 Dodge Code

1. What does the OBDII code P3404 mean for a Dodge vehicle?

P3404 indicates an issue with the Cylinder 1 Deactivation Control Circuit, specifically that the circuit's voltage is higher than expected, which can affect the engine's cylinder deactivation system.

2. What are the common symptoms of a P3404 code in a Dodge?

Symptoms may include reduced engine performance, increased fuel consumption, illuminated check engine light, rough idling, or difficulty with cylinder deactivation.

3. What causes the P3404 code to trigger?

Common causes include a faulty cylinder deactivation solenoid, wiring or connection issues in the control circuit, low engine oil pressure, or a malfunctioning powertrain control module (PCM).

4. Can low oil pressure cause the P3404 code in a Dodge?

Yes, low engine oil pressure can affect the operation of the cylinder deactivation system and may trigger the P3404 code.

5. How do I diagnose a P3404 code on my Dodge?

Diagnosis involves checking the cylinder 1 deactivation solenoid, inspecting wiring and connections for damage, verifying proper oil pressure, and using a scan tool to monitor the deactivation circuit's performance.

6. Can I drive my Dodge with a P3404 code?

While it may be possible to drive with this code, it is not recommended as it can lead to reduced efficiency and potential engine damage if the issue is not addressed.

7. How is the P3404 code typically repaired?

Repairs could include replacing the cylinder deactivation solenoid, repairing or replacing damaged wiring or connectors, addressing low oil pressure, or reprogramming or replacing the PCM if necessary.

8. Does the P3404 code always mean the solenoid is bad?

No, while a faulty solenoid is a common cause, the issue could also stem from wiring problems, low oil pressure, or a PCM malfunction.

9. What tools are required to troubleshoot a P3404 code?

Youâ€™ll need an OBDII scan tool, a multimeter to test electrical connections, and possibly a mechanical gauge to check engine oil pressure.

10. Can a dirty oil filter contribute to a P3404 code in a Dodge?

Yes, a dirty or clogged oil filter can restrict oil flow and reduce oil pressure, potentially causing cylinder deactivation issues and triggering the code.