Engine-CodesChrysler – P3485 Chrysler

P3485 Chrysler Code - Cylinder 11 Exhaust Valve Control Circuit/Open

Quick Answer

The P3485 Chrysler diagnostic trouble code (DTC) indicates a problem with the exhaust valve control circuit for cylinder 11 in the engine. Common causes include Faulty exhaust valve control solenoid, Wiring harness issues, such as a short or open circuit, Poor electrical connection to the exhaust valve control 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
P3485 Chrysler indicates Cylinder 11 Exhaust Valve Control Circuit/Open.
Common causes
Common causes include Faulty exhaust valve control solenoid, Wiring harness issues, such as a short or open circuit, Poor electrical connection to the exhaust valve control 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.
Table of contents Created and updated by William Orellana on Sep 09, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P3485 Chrysler Description

The P3485 Chrysler diagnostic trouble code (DTC) indicates a problem with the exhaust valve control circuit for cylinder 11 in the engine. The exhaust valve control circuit is responsible for regulating the opening and closing of the exhaust valve in cylinder 11. This code specifically points to an open circuit, meaning that there is a break or discontinuity in the electrical connection that controls the exhaust valve in this cylinder.

OBDII Code P3485 Chrysler - Cylinder 11 Exhaust Valve Control Circuit/Open
P3485 Chrysler Code - Cylinder 11 Exhaust Valve Control Circuit/Open

Common Causes of P3485 Chrysler

  1. Faulty exhaust valve control solenoid
  2. Wiring harness issues, such as a short or open circuit
  3. Poor electrical connection to the exhaust valve control circuit
  4. Defective engine control module (ECM)
  5. Mechanical failure in the exhaust valve for cylinder 11

Symptoms of P3485 Chrysler

  1. Engine misfires
  2. Reduced power
  3. Hesitation during acceleration
  4. Rough idle
  5. Engine stalling

How to Fix P3485 Chrysler

  1. Begin by performing a visual inspection of the wiring harness and connectors related to the exhaust valve control circuit for cylinder 11. Look for any signs of damage, corrosion, or loose connections.
  2. Use a multimeter to test the continuity of the exhaust valve control circuit. Check for any breaks or open circuits in the wiring.
  3. Inspect the exhaust valve control solenoid for proper operation. Replace the solenoid if it is found to be faulty.
  4. Test the engine control module (ECM) for any faults related to the exhaust valve control circuit. Replace or reprogram the ECM if necessary.
  5. Clear the DTC and perform a test drive to ensure that the issue has been resolved. Monitor the engine performance for any recurrence of the P3485 code.

Cost to Fix P3485 Chrysler

The typical repair costs for addressing a P3485 Chrysler code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the parts for this repair, such as a new exhaust valve control solenoid or wiring harness, can range from $100 to $300. The labor costs may add an additional $100 to $300, depending on the shop's hourly rates and the complexity of the repair. Overall, the total cost for resolving a P3485 code can be estimated to be between $200 and $600. It is advisable to consult with a certified mechanic or auto repair shop to get an accurate cost estimate based on the specific circumstances of your vehicle.

Need more information about the P3485 Chrysler code?

Need more information on how to fix the P3485 Chrysler code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P3485 Chrysler code diagnosed by a professional: Find a repair shop in your area

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 P3485 Chrysler Code

1. What does the OBDII code P3485 mean on a Chrysler vehicle?

P3485 indicates an issue with the Cylinder 11 Exhaust Valve Control Circuit, specifically an open circuit or electrical fault.

2. What are the common symptoms of a P3485 code?

Symptoms may include rough engine idle, reduced engine performance, poor fuel economy, and possibly an illuminated check engine light.

3. What causes the P3485 code to appear in a Chrysler?

Common causes include damaged wiring or connectors in the exhaust valve control circuit, a faulty cylinder deactivation solenoid, or an issue with the engine control module (ECM).

4. Can I drive my Chrysler with a P3485 code?

While the vehicle may still be drivable, ignoring the code can lead to reduced engine performance and potential long-term damage. It’s best to address the issue promptly.

5. How is a P3485 code diagnosed?

A technician will use a scan tool to confirm the code, inspect wiring and connectors for damage, and test the cylinder deactivation solenoid and related circuits.

6. What repairs can resolve the P3485 code?

Repairs may include replacing damaged wiring or connectors, installing a new cylinder deactivation solenoid, or reprogramming or replacing the ECM if necessary.

7. How much does it typically cost to fix a P3485 code?

Repair costs can vary but typically range from $100 to $500, depending on whether wiring repairs or component replacements are required.

8. Can a P3485 code be caused by low engine oil?

Yes, insufficient oil pressure can affect the operation of the exhaust valve control system and trigger this code.

9. What tools are needed to troubleshoot a P3485 code on a Chrysler?

Basic tools include an OBDII scan tool, a multimeter for electrical testing, and potentially an oscilloscope to check signal patterns.

10. Can I fix the P3485 code on my own?

If you’re experienced with automotive electrical systems, you may be able to fix wiring or replace the solenoid. Otherwise, it’s best to consult a professional mechanic.

Discuss the causes and fixes for P3485 Chrysler OBDII Code

Code P3485 Chrysler comments

No comments found for this page.