AutoCodes – Ford – P1479 2006 Ford Fusion

P1479 2006 Ford Fusion Code - High Fan Control Primary Circuit

Quick Answer

Monitors the High Fan Control (HFC) primary circuit output from the Powertrain Control Module (PCM). Common causes include Faulty Cooling Fan, Cooling Fan harness is open or shorted, Cooling Fan circuit poor electrical connection. 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 2006 Ford Fusion indicates High Fan Control Primary Circuit.
Common causes: Common causes include Faulty Cooling Fan, Cooling Fan harness is open or shorted, Cooling Fan circuit poor electrical connection.
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.

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Code Popularity 1,801

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 24, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1479 2006 Ford Fusion Description

Monitors the High Fan Control (HFC) primary circuit output from the Powertrain Control Module (PCM). The test fails if the HFC output commanded on (grounded), excessive current draw is detected on the HFC circuit or, with the HFC circuit commanded off, voltage is not detected on the HFC circuit (the PCM expects to detect VPWR voltage through the high speed FC relay coil to the HFC circuit).

OBDII Code P1479 2006 Ford Fusion - High Fan Control Primary Circuit - AutoCodes.com — P1479 2006 Ford Fusion Code - High Fan Control Primary Circuit

What does this mean?

What are the Possible Causes of the DTC P1479 2006 Ford Fusion?

Faulty Cooling Fan
Cooling Fan harness is open or shorted
Cooling Fan circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P1479 2006 Ford Fusion?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1479 2006 Ford Fusion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1479 2006 Ford Fusion code?

Need more information on how to fix the P1479 2006 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P1479 2006 Ford Fusion Code

1. What are the common symptoms of OBDII code P1479 in a 2006 Ford Fusion?

The common symptoms of OBDII code P1479 in a 2006 Ford Fusion include the radiator fan running at high speed constantly, even when the engine is cold, and the vehicle's temperature gauge showing abnormal readings.

2. What does the OBDII code P1479 in a 2006 Ford Fusion mean?

OBDII code P1479 in a 2006 Ford Fusion indicates a problem with the High Fan Control Primary Circuit, usually related to the cooling fan control module or wiring.

3. What are the possible causes of OBDII code P1479 in a 2006 Ford Fusion?

Possible causes of OBDII code P1479 in a 2006 Ford Fusion include a faulty cooling fan control module, damaged wiring or connectors in the fan control circuit, or a malfunctioning engine coolant temperature sensor.

4. How can I diagnose the issue causing OBDII code P1479 in my 2006 Ford Fusion?

To diagnose the issue causing OBDII code P1479 in a 2006 Ford Fusion, you can start by checking the cooling fan control module, inspecting the wiring and connectors for any damage, and testing the engine coolant temperature sensor for proper function.

5. Can I continue driving my 2006 Ford Fusion with OBDII code P1479?

It is not recommended to continue driving your 2006 Ford Fusion with OBDII code P1479, as it can lead to engine overheating and potential damage. It is best to address the issue promptly to prevent further problems.

6. How can I repair OBDII code P1479 in my 2006 Ford Fusion?

Repairing OBDII code P1479 in a 2006 Ford Fusion typically involves replacing the cooling fan control module, repairing or replacing any damaged wiring or connectors, and ensuring the engine coolant temperature sensor is functioning correctly.

7. Is it possible to clear OBDII code P1479 in a 2006 Ford Fusion with a simple reset?

While clearing the OBDII code P1479 in a 2006 Ford Fusion with a reset may temporarily turn off the check engine light, it is important to diagnose and address the underlying issue to prevent the code from reoccurring.

8. How much does it cost to repair OBDII code P1479 in a 2006 Ford Fusion?

The cost to repair OBDII code P1479 in a 2006 Ford Fusion can vary depending on the specific cause of the issue, but it may range from $200 to $500, including parts and labor.

9. Can a DIY enthusiast fix OBDII code P1479 in a 2006 Ford Fusion?

While some DIY enthusiasts may be able to diagnose and repair OBDII code P1479 in a 2006 Ford Fusion, it is recommended to have it inspected by a professional mechanic to ensure the correct repair is made.

10. How often does OBDII code P1479 occur in a 2006 Ford Fusion?

OBDII code P1479 in a 2006 Ford Fusion is not a common occurrence, but it can happen due to various factors such as age, wear and tear, or electrical issues within the cooling fan control system.