Engine-CodesChrysler – P1479 Chrysler

P1479 Chrysler Code - Transmission Fan Relay Condition

Quick Answer

The P1479 Chrysler code indicates a problem with the transmission fan relay condition in the vehicle. Common causes include Faulty transmission fan relay, Wiring or connection issues, Overheating of the transmission. 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
P1479 Chrysler indicates Transmission Fan Relay Condition.
Common causes
Common causes include Faulty transmission fan relay, Wiring or connection issues, Overheating of the transmission.
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 10, 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 P1479 Chrysler Description

The P1479 Chrysler code indicates a problem with the transmission fan relay condition in the vehicle. The transmission fan relay is responsible for controlling the operation of the cooling fan that helps regulate the temperature of the transmission fluid. If this relay is not functioning properly, it can lead to overheating of the transmission, which can cause serious damage to the transmission components and affect the overall performance of the vehicle.

OBDII Code P1479 Chrysler - Transmission Fan Relay Condition
P1479 Chrysler Code - Transmission Fan Relay Condition

Common Causes of P1479 Chrysler

  1. Faulty transmission fan relay
  2. Wiring or connection issues
  3. Overheating of the transmission
  4. Electrical system malfunctions
  5. Defective cooling fan

Symptoms of P1479 Chrysler

  1. Overheating of the transmission
  2. Transmission slipping or jerking
  3. Check engine light illuminated
  4. Poor fuel efficiency
  5. Transmission fluid leaks

How to Fix P1479 Chrysler

  1. Diagnostic: The first step in addressing the P1479 code is to perform a diagnostic scan to confirm the specific issue with the transmission fan relay.
  2. Inspection: Inspect the relay, wiring, and connections for any signs of damage or corrosion.
  3. Relay replacement: If the relay is faulty, it will need to be replaced with a new one.
  4. Wiring repair: If there are any issues with the wiring or connections, they should be repaired or replaced as needed.
  5. Testing: After the repair, the system should be tested to ensure that the transmission fan relay is functioning properly and the symptoms have been resolved.

Cost to Fix P1479 Chrysler

The typical repair costs for addressing the P1479 Chrysler code can range from $100 to $300, depending on the specific issue causing the code and the cost of parts and labor. Keep in mind that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the extent of the repairs needed. It's advisable to consult with a professional mechanic for a more accurate cost estimate based on your vehicle's specific requirements.

When is the Code Detected?

The Engine Control Module (ECM) detected an open or shorted condition in the fan relay circuit

Need more information about the P1479 Chrysler code?

Need more information on how to fix the P1479 Chrysler code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1479 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 P1479 Chrysler Code

No Frequently Asked Questions about P1479 Chrysler Code found.

Discuss the causes and fixes for P1479 Chrysler OBDII Code

Code P1479 Chrysler comments

No comments found for this page.