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P3435 Dodge Code - Cylinder 5 Deactivation Control Circuit Low

Quick Answer

The P3435 diagnostic trouble code (DTC) for Dodge vehicles indicates an issue with the Cylinder 5 Deactivation Control Circuit being detected as operating at a low voltage. Common causes include Faulty Cylinder Deactivation Solenoid for Cylinder 5, Wiring issues or damaged connectors in the control circuit, Low engine oil level or poor oil quality affecting cylinder deactivation operation. 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
P3435 Dodge indicates Cylinder 5 Deactivation Control Circuit Low.
Common causes
Common causes include Faulty Cylinder Deactivation Solenoid for Cylinder 5, Wiring issues or damaged connectors in the control circuit, Low engine oil level or poor oil quality affecting cylinder deactivation operation.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P3435 Dodge Description

The P3435 diagnostic trouble code (DTC) for Dodge vehicles indicates an issue with the Cylinder 5 Deactivation Control Circuit being detected as operating at a low voltage. In vehicles equipped with cylinder deactivation technology, such as Multi-Displacement System (MDS) or Variable Valve Timing (VVT), this code specifically highlights a problem in the control circuit responsible for deactivating cylinder 5.

OBDII Code P3435 Dodge - Cylinder 5 Deactivation Control Circuit Low
P3435 Dodge Code - Cylinder 5 Deactivation Control Circuit Low

Common Causes of P3435 Dodge

  1. Faulty Cylinder Deactivation Solenoid for Cylinder 5
  2. Wiring issues or damaged connectors in the control circuit
  3. Low engine oil level or poor oil quality affecting cylinder deactivation operation
  4. Electronic Control Module (ECM) software issues
  5. Mechanical issues within the engine affecting cylinder deactivation functionality

Symptoms of P3435 Dodge

  1. Decreased fuel efficiency
  2. Rough idling or engine vibrations
  3. Engine misfires
  4. Illumination of the check engine light
  5. Reduced engine performance or power output

How to Fix P3435 Dodge

  1. Begin by diagnosing the specific cause of the low voltage in the Cylinder 5 Deactivation Control Circuit using a diagnostic scanner.
  2. Inspect the wiring harness, connectors, and components associated with the cylinder deactivation system for any damage or corrosion.
  3. Test the Cylinder Deactivation Solenoid for Cylinder 5 to determine if it is functioning correctly or needs replacement.
  4. Check the engine oil level and quality, ensuring it meets the manufacturer's specifications for proper cylinder deactivation operation.
  5. If necessary, reprogram or update the ECM software to address any software-related issues affecting cylinder deactivation.

Cost to Fix P3435 Dodge

The typical repair costs for addressing the P3435 DTC in a Dodge vehicle can range from $200 to $500, depending on the specific cause of the issue and the labor involved. This estimate includes the cost of diagnostic testing, replacement parts such as the Cylinder Deactivation Solenoid, and labor charges. It is important to note that prices may vary depending on the location, vehicle make and model, and the shop's labor rates. It is recommended to obtain quotes from several auto repair shops to compare prices and ensure a fair cost for the repair.

What does this mean?

Tech Notes for P3435 Dodge

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

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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 P3435 Dodge Code

1. What does OBDII code P3435 mean on a Dodge vehicle?

Code P3435 indicates a problem with the Cylinder 5 Deactivation Control Circuit, specifically that it is reading a low voltage condition.

2. What are the common symptoms of code P3435 on a Dodge?

Symptoms may include reduced engine performance, rough idling, poor fuel economy, an illuminated check engine light, and difficulty deactivating or activating cylinder 5.

3. What causes the P3435 code to appear on a Dodge?

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

4. How can I diagnose the P3435 code on my Dodge vehicle?

Start by inspecting the wiring and connectors for damage or corrosion, check the oil level and pressure, and test the cylinder deactivation solenoid for proper operation.

5. Can low oil pressure trigger the P3435 code on a Dodge?

Yes, low oil pressure can affect the cylinder deactivation system, causing the P3435 code to be set.

6. Is it safe to drive with the P3435 code on my Dodge?

While the vehicle may still be drivable, driving with this code can lead to reduced performance and potentially cause further engine damage if not addressed promptly.

7. How do I fix the P3435 code on a Dodge?

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

8. Can a dirty or clogged oil passage cause the P3435 code?

Yes, clogged oil passages can disrupt the cylinder deactivation system by restricting oil flow to the solenoid, triggering the code.

9. How much does it cost to repair the P3435 code on a Dodge?

Repair costs can vary, but replacing a cylinder deactivation solenoid typically costs between $150 and $300, depending on labor rates and parts pricing.

10. Do I need a professional mechanic to fix the P3435 code on my Dodge?

While basic inspections can be done at home, diagnosing and repairing the issue may require specialized tools and expertise, making it advisable to consult a professional mechanic.

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