AutoCodes – Chrysler – P3418 Chrysler

P3418 Chrysler Code - Cylinder 3 Deactivation Control Performance

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: P3418 Chrysler indicates Cylinder 3 Deactivation Control Performance.
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 1,621

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
Comments
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Code P3418 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 P3418 Chrysler - Cylinder 3 Deactivation Control Performance - AutoCodes.com — P3418 Chrysler Code - Cylinder 3 Deactivation Control Performance

What does this mean?

What are the Possible Causes of the DTC P3418 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 P3418 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 P3418 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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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.