AutoCodes – Ford – P1479 2010 Ford Fusion

P1479 2010 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 2010 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 1,614

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 2010 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 2010 Ford Fusion - High Fan Control Primary Circuit - AutoCodes.com — P1479 2010 Ford Fusion Code - High Fan Control Primary Circuit

What does this mean?

What are the Possible Causes of the DTC P1479 2010 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 2010 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 2010 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 2010 Ford Fusion code?

Need more information on how to fix the P1479 2010 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1479 2010 Ford Fusion 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 2010 Ford Fusion Code

1. What are the common symptoms of OBDII code P1479 in a 2010 Ford Fusion?

The common symptoms of OBDII code P1479 in a 2010 Ford Fusion include the radiator fan running at high speed all the time, even when the engine is cold, and potential overheating issues.

2. What is the primary cause of OBDII code P1479 in a 2010 Ford Fusion?

The primary cause of OBDII code P1479 in a 2010 Ford Fusion is a malfunction in the high fan control primary circuit, which may be due to a faulty fan control module or a wiring issue.

3. How can I diagnose the high fan control primary circuit issue causing OBDII code P1479 in my 2010 Ford Fusion?

To diagnose the high fan control primary circuit issue causing OBDII code P1479 in a 2010 Ford Fusion, you can start by checking the fan control module, inspecting the wiring for any damage, and testing the fan motor for proper operation.

4. Can a malfunctioning coolant temperature sensor trigger OBDII code P1479 in a 2010 Ford Fusion?

Yes, a malfunctioning coolant temperature sensor can potentially trigger OBDII code P1479 in a 2010 Ford Fusion, as it plays a crucial role in controlling the operation of the radiator fan.

5. What are some repair tips for resolving OBDII code P1479 in a 2010 Ford Fusion?

Some repair tips for resolving OBDII code P1479 in a 2010 Ford Fusion include checking and repairing any damaged wiring, replacing the fan control module if necessary, and ensuring the fan motor is functioning correctly.

6. Is it safe to continue driving my 2010 Ford Fusion with OBDII code P1479 triggered?

It is not recommended to continue driving your 2010 Ford Fusion with OBDII code P1479 triggered, as it can lead to potential overheating issues and engine damage due to the malfunctioning radiator fan.

7. How much can I expect to pay for repairing OBDII code P1479 in a 2010 Ford Fusion?

The cost of repairing OBDII code P1479 in a 2010 Ford Fusion can vary depending on the exact cause of the issue, but it typically ranges from $200 to $500, including parts and labor.

8. Can resetting the OBDII code P1479 in my 2010 Ford Fusion make it go away permanently?

Resetting the OBDII code P1479 in your 2010 Ford Fusion may temporarily clear the code, but if the underlying issue causing the code is not addressed and repaired, it is likely to reoccur.

9. Will OBDII code P1479 in a 2010 Ford Fusion cause the check engine light to illuminate?

Yes, OBDII code P1479 in a 2010 Ford Fusion will trigger the check engine light to illuminate as it indicates a fault in the high fan control primary circuit that needs attention.

10. Can a DIY enthusiast with basic automotive knowledge repair OBDII code P1479 in a 2010 Ford Fusion?

A DIY enthusiast with basic automotive knowledge may be able to diagnose and repair OBDII code P1479 in a 2010 Ford Fusion, especially if the issue is related to simple fixes like wiring repairs or fan control module replacement.