AutoCodes – Ford – P0703 1997 Ford F150

P0703 1997 Ford F150 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 1997 Ford F150 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.

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Code Popularity 2,337

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 13, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0703 1997 Ford F150 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 1997 Ford F150 - Brake Switch Performance - AutoCodes.com — P0703 1997 Ford F150 Code - Brake Switch Performance

What does this mean?

What are the Possible Causes of the DTC P0703 1997 Ford F150?

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 1997 Ford F150?

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 does this mean?

Code Tech Notes

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).

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0703 1997 Ford F150 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 P0703 1997 Ford F150 Code

1. What does the OBDII code P0703 mean for a 1997 Ford F150?

The P0703 code indicates a malfunction or performance issue with the brake switch circuit, which monitors the brake pedal position.

2. What are the common symptoms of code P0703 in a 1997 Ford F150?

Symptoms may include the brake lights not working properly, issues with the torque converter lockup, transmission shifting problems, or the Check Engine Light being illuminated.

3. What causes the P0703 code in a Ford F150?

Common causes include a faulty brake light switch, damaged or corroded wiring, a blown fuse, or an issue with the brake switch circuit.

4. Can a faulty brake light switch cause transmission problems in a 1997 Ford F150?

Yes, the brake switch sends signals to the transmission control module, and a faulty switch can lead to issues with torque converter lockup or shifting.

5. How do I diagnose the P0703 code on my Ford F150?

Start by checking the brake lights for proper operation, inspect the brake switch and its wiring for damage, and use a multimeter or scan tool to test the brake switch circuit.

6. Can I drive my 1997 Ford F150 with the P0703 code?

Driving may be possible, but itâ€™s not recommended as it could affect transmission behavior or brake light functionality, posing safety risks.

7. How do I fix the P0703 code on a Ford F150?

Repairs may involve replacing the brake light switch, repairing or replacing damaged wiring, checking and replacing fuses, or cleaning corroded connections.

8. How much does it cost to fix the P0703 code on a 1997 Ford F150?

The cost typically ranges from $50 to $200, depending on whether the issue is a simple brake switch replacement or more extensive wiring repairs.

9. Will replacing the brake light switch always fix the P0703 code?

Not always. While the brake light switch is a common cause, other issues like damaged wiring or a blown fuse can also trigger the code.

10. How do I reset the P0703 code after making repairs?

To reset the code, use an OBDII scan tool to clear it, or disconnect the battery for a few minutes. Ensure the issue is fully resolved before clearing the code.