AutoCodes – Dodge – P3459 Dodge

P3459 Dodge Code - Cylinder 8 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
P3459 Dodge indicates Cylinder 8 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,746
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P3459 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 P3459 Dodge - Cylinder 8 Deactivation Control Circuit Low - AutoCodes.com
P3459 Dodge Code - Cylinder 8 Deactivation Control Circuit Low

What are the Possible Causes of the DTC P3459 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 P3459 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P3459 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 P3459 Dodge Code

1. What are the common symptoms of OBDII code P3459 in a Dodge related to Cylinder 8 Deactivation Control Circuit Low?

The common symptoms include poor engine performance, rough idling, reduced fuel efficiency, and in some cases, the Check Engine Light illuminating.

2. What are the possible causes of OBDII code P3459 in a Dodge indicating Cylinder 8 Deactivation Control Circuit Low?

The possible causes may include a faulty Cylinder Deactivation Solenoid, damaged wiring or connectors in the deactivation control circuit, low engine oil levels, or issues with the Engine Control Module (ECM).

3. How can I diagnose the source of OBDII code P3459 in my Dodge concerning Cylinder 8 Deactivation Control Circuit Low?

A comprehensive diagnostic scan using an OBDII scanner can help pinpoint the exact issue. Additionally, inspecting the wiring, connectors, and the Cylinder Deactivation Solenoid can provide valuable insights.

4. Is it safe to continue driving with OBDII code P3459 triggered in a Dodge due to Cylinder 8 Deactivation Control Circuit Low?

It is not recommended to drive with this code active, as it can lead to further damage to the engine and may result in more severe issues over time. It is advisable to address the problem promptly.

5. Are there any quick repair tips to consider for resolving OBDII code P3459 in a Dodge pertaining to Cylinder 8 Deactivation Control Circuit Low?

Some quick repair tips include checking and cleaning the connectors, ensuring proper engine oil levels, testing the Cylinder Deactivation Solenoid, and verifying the integrity of the wiring in the deactivation control circuit.

6. Can a DIY enthusiast with basic automotive knowledge fix OBDII code P3459 in a Dodge associated with Cylinder 8 Deactivation Control Circuit Low?

While some simple checks and maintenance tasks can be performed by DIY enthusiasts, diagnosing and repairing issues related to this code may require specialized tools and expertise. It's best to consult a professional mechanic for accurate diagnosis and repair.

7. How much does it typically cost to repair OBDII code P3459 in a Dodge linked to Cylinder 8 Deactivation Control Circuit Low?

The cost of repairs can vary depending on the exact cause of the issue, the parts needed for replacement, and the labor charges. It is advisable to obtain quotes from different repair shops to compare prices.

8. Can resetting the Check Engine Light on a Dodge with OBDII code P3459 related to Cylinder 8 Deactivation Control Circuit Low temporarily solve the problem?

Resetting the Check Engine Light may temporarily turn it off, but it will not fix the underlying issue causing the code. It is essential to diagnose and address the root cause to prevent further complications.

9. Will OBDII code P3459 in a Dodge affecting Cylinder 8 Deactivation Control Circuit Low cause permanent damage if left unrepaired?

Continuing to drive with this code unresolved can potentially lead to further damage to the engine and its components. It is advisable to address the issue promptly to avoid more significant and costly repairs in the future.

10. Are there any recalls or technical service bulletins (TSBs) related to OBDII code P3459 in Dodges concerning Cylinder 8 Deactivation Control Circuit Low?

It's recommended to check with authorized Dodge dealerships or consult online databases for any potential recalls or TSBs related to this specific OBDII code. Manufacturers may provide assistance or guidance for known issues.

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