AutoCodes – Ford – C1479 Ford

C1479 Ford Code - Rear Left Wheel Brake Pressure Control Plausibility Failure

Quick Answer

The Hydraulic Control Unit (HCU) monitors the Rear Left Wheel Brake Pressure. Common causes include Brake System Bleeding, Faulty Hydraulic Control Unit (HCU), Hydraulic Control Unit (HCU) harness is open or shorted. 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: C1479 Ford indicates Rear Left Wheel Brake Pressure Control Plausibility Failure.
Common causes: Common causes include Brake System Bleeding, Faulty Hydraulic Control Unit (HCU), Hydraulic Control Unit (HCU) harness is open or shorted.
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 1,894

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 Oct 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1479 Ford Description

The Hydraulic Control Unit (HCU) monitors the Rear Left Wheel Brake Pressure. The HCU sets the OBDII code when the Rear Left Wheel Brake Pressure is not to factory specifications.

OBDII Code C1479 Ford - Rear Left Wheel Brake Pressure Control Plausibility Failure - AutoCodes.com — C1479 Ford Code - Rear Left Wheel Brake Pressure Control Plausibility Failure

What does this mean?

What are the Possible Causes of the DTC C1479 Ford?

Brake System Bleeding
Faulty Hydraulic Control Unit (HCU)
Hydraulic Control Unit (HCU) harness is open or shorted
Hydraulic Control Unit (HCU) circuit poor electrical connection

How to Fix the DTC C1479 Ford?

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 C1479 Ford 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 C1479 Ford code?

Need more information on how to fix the C1479 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1479 Ford 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 C1479 Ford Code

1. What are the common symptoms of OBDII code C1479 in a Ford vehicle?

The common symptoms include the ABS warning light illuminating on the dashboard, reduced braking performance, and potential issues with the rear left wheel brake system.

2. What does the OBDII code C1479 "Rear Left Wheel Brake Pressure Control Plausibility Failure" in a Ford indicate?

This code indicates a problem with the brake pressure control system in the rear left wheel of the vehicle, specifically a plausibility failure in the control system.

3. What are some possible causes of OBDII code C1479 in a Ford?

Possible causes can include a malfunctioning brake pressure sensor, faulty wiring or connectors in the brake system, issues with the brake control module, or hydraulic system problems.

4. How can I diagnose the OBDII code C1479 in my Ford vehicle?

Diagnosis typically involves using a professional OBDII scanner to read the code, as well as conducting a visual inspection of the brake system components and checking for any obvious signs of damage or wear.

5. What are the repair options for OBDII code C1479 in a Ford?

Repair options may include replacing the brake pressure sensor, repairing or replacing damaged wiring or connectors, resetting the brake control module, or addressing any hydraulic system issues.

6. Can I continue driving my Ford vehicle with OBDII code C1479 present?

It is not recommended to continue driving the vehicle with this code present, as it can lead to potential safety hazards due to compromised brake performance in the rear left wheel.

7. How much does it typically cost to repair OBDII code C1479 in a Ford?

The cost of repairs can vary depending on the specific cause of the issue and the labor rates in your area. It is advisable to consult a professional mechanic for an accurate estimate.

8. Are there any DIY tips for troubleshooting OBDII code C1479 in a Ford?

While some basic inspections and visual checks can be done by DIY enthusiasts, diagnosing and repairing this code often require specialized tools and expertise. It is recommended to seek professional help for accurate diagnosis and repairs.

9. How urgent is it to address OBDII code C1479 in a Ford?

It is important to address this code promptly to ensure the safe operation of your vehicle. Ignoring brake-related issues can lead to further damage and compromise the overall safety of the vehicle.

10. Can OBDII code C1479 be a recurring issue in a Ford vehicle?

If the underlying cause of the code is not properly addressed during repairs, it is possible for OBDII code C1479 to recur. Thorough diagnosis and quality repairs are essential to prevent the issue from coming back.