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P0703 2011 Ford Fusion Code - Brake Switch Performance

Quick Answer

The P0703 diagnostic trouble code (DTC) for a 2011 Ford Fusion indicates an issue with the brake switch performance. Common causes include Faulty brake switch, Wiring issues, Brake switch misalignment. 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
P0703 2011 Ford Fusion indicates Brake Switch Performance.
Common causes
Common causes include Faulty brake switch, Wiring issues, Brake switch misalignment.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code P0703 2011 Ford Fusion Description

The P0703 diagnostic trouble code (DTC) for a 2011 Ford Fusion indicates an issue with the brake switch performance. The brake switch is a crucial component of the vehicle's braking system, as it is responsible for activating the brake lights when the brake pedal is pressed. When the brake switch malfunctions or fails to perform as expected, it can have significant implications for the vehicle's safety and performance.

OBDII Code P0703 2011 Ford Fusion - Brake Switch Performance
P0703 2011 Ford Fusion Code - Brake Switch Performance

Common Causes of P0703 2011 Ford Fusion

  1. Faulty brake switch
  2. Wiring issues
  3. Brake switch misalignment
  4. Brake pedal position sensor malfunction
  5. Corrosion or damage to brake switch components

Symptoms of P0703 2011 Ford Fusion

  1. Brake lights not working
  2. Inability to shift out of park
  3. Cruise control not engaging
  4. Check Engine Light illuminated
  5. Transmission shifting irregularly

How to Fix P0703 2011 Ford Fusion

  1. Begin by locating the brake switch, typically located near the brake pedal.
  2. Inspect the wiring and connectors for any signs of damage or corrosion.
  3. Test the brake switch using a multimeter to determine if it is functioning correctly.
  4. If the brake switch is faulty, replace it with a new one following manufacturer guidelines.
  5. Clear the DTC and test the vehicle to ensure the issue has been resolved.

Cost to Fix P0703 2011 Ford Fusion

The cost of repairing a P0703 code on a 2011 Ford Fusion can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $100 and $300 for parts and labor. Keep in mind that diagnostic time and labor rates can vary, so it's advisable to get a quote from a trusted auto repair shop before proceeding with the repair.

What does this mean?

Tech Notes for P0703 2011 Ford Fusion

Check if the stop light works with when the brake pedal is depressed if the brake lights are inoperative, replace or adjust the Brake Pedal Position (BPP) Switch (Stop Lamp Switch).

Need more information about the P0703 2011 Ford Fusion 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 P0703 2011 Ford Fusion Code

What does the OBDII code P0703 mean for a 2011 Ford Fusion?

Code P0703 indicates a Brake Switch Performance issue, meaning the PCM has detected a problem with the brake switch signal.

What are the symptoms of code P0703 in a 2011 Ford Fusion?

Common symptoms include erratic cruise control behavior, issues with gear shifting, and the illumination of the check engine light.

What causes the P0703 code on a 2011 Ford Fusion?

Typical causes include a faulty brake switch, damaged wiring or connectors in the brake switch circuit, or issues with the PCM receiving inconsistent signals.

Can code P0703 affect vehicle performance?

Yes, it can affect cruise control operation and may cause transmission shifting problems due to incorrect brake signal input to the PCM.

How do you diagnose a P0703 code on a 2011 Ford Fusion?

Diagnosis involves inspecting the brake switch, checking associated wiring and connectors for damage or corrosion, and testing the brake switch signal with a multimeter.

Can a faulty brake switch trigger the P0703 code?

Yes, a malfunctioning brake switch is one of the most common causes of the P0703 code.

How can I fix the P0703 code on my 2011 Ford Fusion?

Repairs may include replacing the brake switch, repairing damaged wiring, cleaning corroded connectors, or reprogramming the PCM if necessary.

Is it safe to drive with the P0703 code active?

While the car may still be drivable, issues like impaired cruise control or shifting problems could make driving less safe and should be addressed promptly.

How much does it cost to repair the P0703 code on a 2011 Ford Fusion?

Repair costs vary but typically range from $50 to $150 for a brake switch replacement plus diagnostic fees if applicable.

Can a DIYer fix the P0703 code on a 2011 Ford Fusion?

Yes, if you have basic automotive knowledge and tools, you can replace the brake switch or repair minor wiring issues yourself.

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