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P3419 Dodge Code - Cylinder 3 Deactivation Control Circuit Low

Quick Answer

The P3419 diagnostic trouble code (DTC) for Dodge vehicles specifically refers to the Cylinder 3 Deactivation Control Circuit Low. Common causes include Faulty cylinder deactivation solenoid for cylinder 3, Wiring issues or electrical connections related to the control circuit, Defective engine control module (ECM). 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
P3419 Dodge indicates Cylinder 3 Deactivation Control Circuit Low.
Common causes
Common causes include Faulty cylinder deactivation solenoid for cylinder 3, Wiring issues or electrical connections related to the control circuit, Defective engine control module (ECM).
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 P3419 Dodge Description

The P3419 diagnostic trouble code (DTC) for Dodge vehicles specifically refers to the Cylinder 3 Deactivation Control Circuit Low. This code indicates that there is a malfunction in the control circuit responsible for deactivating cylinder 3 in the engine. In modern vehicles, cylinder deactivation is a technology used to improve fuel efficiency by shutting down specific cylinders when they are not needed, such as during cruising or light load conditions.

OBDII Code P3419 Dodge - Cylinder 3 Deactivation Control Circuit Low
P3419 Dodge Code - Cylinder 3 Deactivation Control Circuit Low

Common Causes of P3419 Dodge

  1. Faulty cylinder deactivation solenoid for cylinder 3
  2. Wiring issues or electrical connections related to the control circuit
  3. Defective engine control module (ECM)
  4. Mechanical issues with cylinder 3 itself, such as a stuck valve or piston ring
  5. Poor oil pressure or low oil levels affecting cylinder deactivation operation

Symptoms of P3419 Dodge

  1. Decreased fuel efficiency
  2. Reduced power output
  3. Rough idle
  4. Engine misfires
  5. Check Engine Light illuminated on the dashboard

How to Fix P3419 Dodge

  1. Diagnose the specific cause of the issue by performing a thorough inspection of the cylinder 3 deactivation system, including checking for any faulty solenoids, wiring damage, or ECM malfunctions.
  2. Replace the faulty cylinder deactivation solenoid for cylinder 3 if it is determined to be the root cause of the problem.
  3. Repair or replace any damaged wiring or electrical connections in the control circuit to ensure proper operation.
  4. Verify proper oil pressure and levels to rule out any potential issues related to lubrication affecting cylinder deactivation.
  5. Clear the DTC from the vehicle's memory and test drive the vehicle to ensure that the issue has been successfully resolved.

Cost to Fix P3419 Dodge

The typical repair costs for addressing the P3419 code on a Dodge vehicle can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, the cost of parts for replacing a cylinder deactivation solenoid can range from $50 to $150, while the labor involved in diagnosing and repairing the issue may add an additional $100 to $300 to the total cost. Overall, the total repair cost for this issue can be estimated to be around $150 to $450, but it's recommended to obtain a more accurate quote from a local auto repair shop based on your vehicle's make and model. Labor rates at auto repair shops typically range from $80 to $150 per hour, but this can vary depending on the location and shop.

What does this mean?

Tech Notes for P3419 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 P3419 Dodge Code

1. What does the OBDII code P3419 mean for a Dodge vehicle?

P3419 indicates a "Cylinder 3 Deactivation Control Circuit Low," meaning the system responsible for deactivating cylinder 3 in certain driving conditions is experiencing a low voltage issue.

2. What are the common symptoms of a P3419 code?

Symptoms may include reduced engine performance, poor fuel economy, rough idling, hesitation during acceleration, and the Check Engine Light illuminating.

3. What causes the P3419 code to appear?

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

4. How does cylinder deactivation work in a Dodge engine?

Cylinder deactivation shuts off specific cylinders during light load conditions to improve fuel efficiency by reducing engine displacement temporarily.

5. Can low oil pressure trigger a P3419 code?

Yes, low oil pressure can impair the operation of the cylinder deactivation system, leading to a P3419 code.

6. How do you diagnose a P3419 code?

Diagnosis typically involves using an OBDII scanner to confirm the code, inspecting the wiring and connectors for damage, testing the cylinder deactivation solenoid, and checking oil pressure.

7. Can I drive my Dodge with a P3419 code?

While the vehicle may still be drivable, it’s not recommended to ignore this code, as it may lead to further engine issues or reduced performance.

8. How do you fix the P3419 code?

Repairs may involve replacing the cylinder deactivation solenoid for cylinder 3, repairing damaged wiring or connectors, addressing low oil pressure, or reprogramming the PCM if necessary.

9. How much does it cost to fix a P3419 code?

The repair cost varies depending on the issue, ranging from $100 for simple wiring repairs to $500 or more for solenoid replacement or PCM reprogramming.

10. Can a dirty oil filter cause a P3419 code?

Yes, a clogged or dirty oil filter can restrict oil flow, reducing oil pressure and potentially triggering the P3419 code.

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