AutoCodes – Ford – P0703 2008 Ford Fusion

P0703 2008 Ford Fusion Code - Brake Switch Performance

Quick Answer

The Brake Pedal Position (BPP) switch is sometimes referred to as the stop lamp switch. Common causes include Faulty Brake Pedal Position (BPP) Switch (Stop Lamp Switch), Misadjusted Brake Pedal Position Switch, Brake Pedal Position Switch 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
P0703 2008 Ford Fusion indicates Brake Switch Performance.
Common causes
Common causes include Faulty Brake Pedal Position (BPP) Switch (Stop Lamp Switch), Misadjusted Brake Pedal Position Switch, Brake Pedal Position Switch 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 2,564
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 13, 2020
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Code P0703 2008 Ford Fusion Description

The Brake Pedal Position (BPP) switch is sometimes referred to as the stop lamp switch. The BPP switch provides a signal to the Powertrain Control Module (PCM) indicating the brakes are applied. The BPP switch is normally open and mounted on the brake pedal support. The Powertrain Control Module monitors the BPP switch. The Diagnostic Trouble Code (DTC) will set when the Powertrain Control Module did not receive a BPP switch input.
OBDII Code P0703 2008 Ford Fusion - Brake Switch Performance - AutoCodes.com
P0703 2008 Ford Fusion Code - Brake Switch Performance

What are the Possible Causes of the DTC P0703 2008 Ford Fusion?

  • Faulty Brake Pedal Position (BPP) Switch (Stop Lamp Switch)
  • Misadjusted Brake Pedal Position Switch
  • Brake Pedal Position Switch harness is open or shorted
  • Brake Pedal Position Switch circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)

How to Fix the DTC P0703 2008 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0703 2008 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 P0703 2008 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 2008 Ford Fusion Code

1. What are the common symptoms of OBDII code P0703 in a 2008 Ford Fusion?

When the Brake Switch Performance code P0703 is present in a 2008 Ford Fusion, common symptoms may include issues with the vehicle's cruise control system, the inability to shift out of park, or the brake lights staying on constantly.

2. What are the possible causes of OBDII code P0703 in a 2008 Ford Fusion?

The most common causes of OBDII code P0703 in a 2008 Ford Fusion are a faulty brake light switch, a misadjusted brake light switch, damaged wiring or connectors related to the brake switch, or a problem with the brake pedal position sensor.

3. How can I diagnose the Brake Switch Performance code P0703 in my 2008 Ford Fusion?

To diagnose OBDII code P0703 in a 2008 Ford Fusion, start by checking the brake lights to see if they are functioning correctly. Inspect the brake light switch for any visible damage or misalignment. Using a diagnostic scanner, check for any stored trouble codes related to the brake switch performance.

4. Can a faulty brake switch cause the P0703 code in a 2008 Ford Fusion?

Yes, a faulty brake switch is a common cause of OBDII code P0703 in a 2008 Ford Fusion. If the brake switch is not functioning properly, it can trigger this code and lead to issues with the vehicle's shifting and brake light operation.

5. How can I repair the OBDII code P0703 in my 2008 Ford Fusion?

To repair OBDII code P0703 in a 2008 Ford Fusion, start by replacing the faulty brake light switch if necessary. Ensure that the new switch is properly adjusted and functioning correctly. Additionally, inspect and repair any damaged wiring or connectors related to the brake switch.

6. Are there any DIY tips for fixing the Brake Switch Performance code P0703 in a 2008 Ford Fusion?

If you are comfortable working on your vehicle, you can attempt to replace the brake light switch yourself to address OBDII code P0703 in a 2008 Ford Fusion. Make sure to follow the manufacturer's guidelines and use the correct tools for the job.

7. Can the Brake Switch Performance code P0703 in a 2008 Ford Fusion be a safety concern?

Yes, OBDII code P0703 in a 2008 Ford Fusion should be addressed promptly as it can affect the operation of critical safety systems such as the brake lights and the vehicle's ability to shift gears. Ignoring this code can pose a safety risk.

8. How long does it typically take to repair the OBDII code P0703 in a 2008 Ford Fusion?

The repair time for OBDII code P0703 in a 2008 Ford Fusion can vary depending on the cause of the issue and the availability of parts. In general, replacing the brake light switch and addressing any wiring issues can typically be done within a few hours.

9. Will resetting the OBDII code P0703 in a 2008 Ford Fusion make it go away permanently?

Resetting the OBDII code P0703 in a 2008 Ford Fusion may temporarily clear the code, but if the underlying issue, such as a faulty brake light switch, is not addressed, the code is likely to reappear. It is important to diagnose and repair the root cause of the problem.

10. Is it safe to continue driving my 2008 Ford Fusion with the Brake Switch Performance code P0703 present?

It is not recommended to continue driving your 2008 Ford Fusion with the OBDII code P0703 (Brake Switch Performance) present, as it can lead to issues with the vehicle's braking system and shifting capabilities. It is best to address the problem promptly to ensure safe operation of the vehicle.

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