AutoCodes – Ford – B1486 Ford

B1486 Ford Code - Brake Pedal Input Circuit Ground Short

Quick Answer

Fused battery voltage is supplied to the Brake Pedal Position (BPP) Switch from Smart Junction Box (SJB) fuse along the circuit. Common causes include Faulty Brake Pedal Position Switch, Brake Pedal Position Switch harness is open or shorted, Brake Pedal Position Switch 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: B1486 Ford indicates Brake Pedal Input Circuit Ground Short.
Common causes: Common causes include Faulty Brake Pedal Position Switch, Brake Pedal Position Switch harness is open or shorted, Brake Pedal Position Switch 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 1,496

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 Apr 14, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1486 Ford Description

Fused battery voltage is supplied to the Brake Pedal Position (BPP) Switch from Smart Junction Box (SJB) fuse along the circuit. When the brake pedal is pressed, the BPP switch supplies fused battery voltage to the Anti-Lock Brake System (ABS) module, the Powertrain Control Module (PCM) and the SJB along the circuit.

OBDII Code B1486 Ford - Brake Pedal Input Circuit Ground Short - AutoCodes.com — B1486 Ford Code - Brake Pedal Input Circuit Ground Short

What does this mean?

What are the Possible Causes of the DTC B1486 Ford?

Faulty Brake Pedal Position Switch
Brake Pedal Position Switch harness is open or shorted
Brake Pedal Position Switch circuit poor electrical connection
Faulty Smart Junction Box (SJB)

How to Fix the DTC B1486 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 B1486 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 B1486 Ford code?

Need more information on how to fix the B1486 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1486 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 B1486 Ford Code

1. What are the common symptoms of OBDII code B1486 Ford (Brake Pedal Input Circuit Ground Short)?

The common symptoms include the brake lights staying on continuously, inability to shift out of park, and the traction control system not functioning properly.

2. What are the possible causes of a Brake Pedal Input Circuit Ground Short (B1486) error code in a Ford vehicle?

Possible causes include a faulty brake light switch, damaged wiring or connectors in the brake pedal circuit, or a problem with the body control module.

3. How can I diagnose a Brake Pedal Input Circuit Ground Short issue in my Ford vehicle?

You can use a diagnostic scanner to retrieve the OBDII code B1486, check the brake light switch for proper function, and inspect the wiring and connectors for any signs of damage.

4. Can I drive my Ford vehicle with the B1486 error code present?

It is not recommended to drive your vehicle with the B1486 code as it may affect important safety systems like the brakes and traction control.

5. How can I repair a Brake Pedal Input Circuit Ground Short in my Ford vehicle?

Repair options may include replacing the brake light switch, repairing or replacing damaged wiring, or reprogramming the body control module, depending on the exact cause of the issue.

6. Is it possible to reset the B1486 error code without fixing the underlying issue?

Resetting the code without addressing the root cause will likely result in the code reappearing once the issue is detected again by the vehicle's systems.

7. Are there any safety precautions to consider when working on the Brake Pedal Input Circuit Ground Short issue?

It is important to disconnect the vehicle's battery before working on the electrical components to prevent any accidents or damage to the vehicle's systems.

8. How long does it typically take to repair a B1486 error in a Ford vehicle?

The repair time can vary depending on the exact cause of the issue and the complexity of the repair needed. It may range from a few minutes to a couple of hours.

9. Can a DIY enthusiast with basic automotive knowledge fix the B1486 error code in a Ford vehicle?

Depending on the cause of the issue, a DIY enthusiast with basic automotive knowledge may be able to diagnose and repair the problem, especially if it involves simple tasks like replacing the brake light switch.

10. Will fixing the B1486 error code improve the overall performance of my Ford vehicle?

Fixing the B1486 code will restore the proper functioning of the brake pedal input circuit, ensuring the correct operation of safety systems and potentially improving the overall performance and safety of the vehicle.