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P3489 Chrysler Code - Cylinder 12 Deactivation/Intake Valve Control Circuit/Open

Quick Answer

The P3489 Chrysler diagnostic trouble code (DTC) specifically relates to an issue with the Cylinder 12 Deactivation/Intake Valve Control Circuit being open. Common causes include Faulty Cylinder Deactivation/Intake Valve Control Solenoid, Wiring issues in the control circuit, Poor connection or corrosion in the circuit. 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
P3489 Chrysler indicates Cylinder 12 Deactivation/Intake Valve Control Circuit/Open.
Common causes
Common causes include Faulty Cylinder Deactivation/Intake Valve Control Solenoid, Wiring issues in the control circuit, Poor connection or corrosion in the circuit.
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 P3489 Chrysler Description

The P3489 Chrysler diagnostic trouble code (DTC) specifically relates to an issue with the Cylinder 12 Deactivation/Intake Valve Control Circuit being open. This code is typically found in vehicles equipped with cylinder deactivation technology, which allows the engine to deactivate specific cylinders under light load conditions to improve fuel efficiency. In this case, Cylinder 12 is not functioning as intended, leading to a disruption in the engine's performance and efficiency.

OBDII Code P3489 Chrysler - Cylinder 12 Deactivation/Intake Valve Control Circuit/Open
P3489 Chrysler Code - Cylinder 12 Deactivation/Intake Valve Control Circuit/Open

Common Causes of P3489 Chrysler

  1. Faulty Cylinder Deactivation/Intake Valve Control Solenoid
  2. Wiring issues in the control circuit
  3. Poor connection or corrosion in the circuit
  4. Defective PCM (Powertrain Control Module)
  5. Mechanical issues with the intake valve in Cylinder 12

Symptoms of P3489 Chrysler

  1. Check engine light illuminated
  2. Reduced engine performance
  3. Decreased fuel efficiency
  4. Engine misfires
  5. Rough idling

How to Fix P3489 Chrysler

  1. Begin by connecting a diagnostic scan tool to the vehicle's OBD-II port to retrieve the trouble codes and verify the issue.
  2. Inspect the wiring and connections in the Cylinder 12 Deactivation/Intake Valve Control Circuit for any damage or corrosion. Repair or replace as necessary.
  3. Test the Cylinder Deactivation/Intake Valve Control Solenoid for proper operation. Replace if faulty.
  4. Check the PCM for any faults related to the Cylinder 12 deactivation system. Reset or replace the PCM if needed.
  5. Perform a thorough inspection of the intake valve in Cylinder 12 for any mechanical issues that may be causing the problem. Repair or replace parts as required.

Cost to Fix P3489 Chrysler

The typical repair costs for resolving the Cylinder 12 Deactivation/Intake Valve Control Circuit/Open issue can vary depending on the extent of the problem and the specific components that need to be replaced. On average, the parts and labor associated with this repair could range from $200 to $500. However, it is important to note that these costs are estimates and can fluctuate based on various factors such as the location of the repair shop, the make and model of the vehicle, and the severity of the issue. It is recommended to consult with a qualified mechanic or dealership to get a more accurate cost estimate for this repair.

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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 P3489 Chrysler Code

1. What are the common symptoms of OBDII code P3489 in a Chrysler vehicle?

- Common symptoms may include engine misfires, reduced power, rough idling, and potentially an illuminated check engine light.

2. What does the OBDII code P3489 Chrysler indicate?

- The code indicates an issue with the Cylinder 12 Deactivation/Intake Valve Control Circuit, specifically that it is open.

3. What are the possible causes of OBDII code P3489 in a Chrysler vehicle?

- Possible causes include a faulty intake valve control solenoid, wiring issues, poor electrical connections, or a malfunctioning ECM.

4. How can I diagnose the cause of OBDII code P3489 in my Chrysler vehicle?

- A thorough diagnostic process involving checking the intake valve control solenoid, inspecting wiring for damage, testing electrical connections, and scanning the ECM for faults is recommended.

5. Can driving with OBDII code P3489 in a Chrysler vehicle cause further damage?

- Continuing to drive with this code may lead to decreased engine performance and potential damage to other components over time, so it's best to address the issue promptly.

6. How can I repair OBDII code P3489 in a Chrysler vehicle?

- Repair may involve replacing the faulty intake valve control solenoid, repairing damaged wiring, ensuring proper electrical connections, or reprogramming the ECM as necessary.

7. Is it safe to reset the OBDII code P3489 in my Chrysler vehicle without addressing the underlying issue?

- It is not recommended to simply reset the code without fixing the root cause, as the issue may persist and lead to further problems down the line.

8. Can a DIY enthusiast fix OBDII code P3489 in a Chrysler vehicle?

- Depending on their skill level and access to tools, a DIY enthusiast may be able to diagnose and address the issue, but professional assistance may be needed for complex repairs.

9. How long does it typically take to repair OBDII code P3489 in a Chrysler vehicle?

- The repair time can vary based on the exact cause of the issue, but it may range from a quick fix to a more involved repair that could take a few hours.

10. Are there any preventative measures to avoid OBDII code P3489 in a Chrysler vehicle?

- Regular maintenance, such as checking and cleaning intake valves, monitoring engine performance, and addressing any issues promptly, can help prevent the occurrence of this code.

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