AutoCodes – Mercury – B1483 Mercury

B1483 Mercury Code - Brake Pedal Input Circuit Failure

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: B1483 Mercury indicates Brake Pedal Input Circuit Failure.
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 1,060

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 B1483 Mercury 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 B1483 Mercury - Brake Pedal Input Circuit Failure - AutoCodes.com — B1483 Mercury Code - Brake Pedal Input Circuit Failure

What does this mean?

What are the Possible Causes of the DTC B1483 Mercury?

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 B1483 Mercury?

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 B1483 Mercury 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.

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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 B1483 Mercury Code

1. What are the common symptoms of OBDII code B1483 Mercury (Brake Pedal Input Circuit Failure)?

The common symptoms include the brake lights staying on constantly, the inability to shift out of park, and the illumination of the brake warning light on the dashboard.

2. What are the possible causes of OBDII code B1483 Mercury (Brake Pedal Input Circuit Failure)?

The code can be triggered by issues such as a faulty brake light switch, damaged wiring in the brake pedal circuit, or a defective brake pedal position sensor.

3. How can I diagnose OBDII code B1483 Mercury (Brake Pedal Input Circuit Failure)?

You can diagnose the code by checking the brake light switch for proper operation, inspecting the wiring for any signs of damage, and testing the brake pedal position sensor using a multimeter.

4. Can I still drive my Mercury with OBDII code B1483 (Brake Pedal Input Circuit Failure)?

It is not recommended to continue driving your vehicle with this code as it can affect the proper functioning of your brake lights and potentially compromise your safety on the road.

5. How do I repair OBDII code B1483 Mercury (Brake Pedal Input Circuit Failure)?

Repairing the code may involve replacing the brake light switch, repairing any damaged wiring, or replacing the brake pedal position sensor, depending on the root cause of the issue.

6. Is it possible to reset OBDII code B1483 Mercury (Brake Pedal Input Circuit Failure) without fixing the underlying problem?

Resetting the code without addressing the underlying issue will only temporarily clear the error code. It will likely reappear once the problem persists.

7. Can a DIY enthusiast fix OBDII code B1483 Mercury (Brake Pedal Input Circuit Failure)?

Depending on your skill level and access to tools, you may be able to address the issue yourself by following repair guides or tutorials specific to your Mercury model.

8. Are there any safety concerns related to OBDII code B1483 Mercury (Brake Pedal Input Circuit Failure)?

Yes, driving with this code can pose safety risks due to potential brake light malfunctions and issues with shifting gears, so it's best to address the problem promptly.

9. How much does it cost to repair OBDII code B1483 Mercury (Brake Pedal Input Circuit Failure)?

The cost of repair can vary depending on the specific cause of the issue, the model of your Mercury, and whether you choose to fix it yourself or take it to a professional mechanic.

10. How long does it typically take to fix OBDII code B1483 Mercury (Brake Pedal Input Circuit Failure)?

The repair time can vary based on the complexity of the issue and your experience level. It may take anywhere from a few minutes to a few hours to diagnose and fix the problem.