AutoCodes – Ford – P0703 1999 Ford F150

P0703 1999 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 1999 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 2,544

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 1999 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 1999 Ford F150 - Brake Switch Performance - AutoCodes.com — P0703 1999 Ford F150 Code - Brake Switch Performance

What does this mean?

What are the Possible Causes of the DTC P0703 1999 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 1999 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 1999 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 1999 Ford F150 Code

1. What are the common symptoms of OBDII code P0703 in a 1999 Ford F150?

- Common symptoms include issues with the brake lights, cruise control not working, and possible problems shifting out of park.

2. What does the OBDII code P0703 Brake Switch Performance mean for a 1999 Ford F150?

- This code indicates that there is a malfunction with the brake switch, which is responsible for activating the brake lights and allowing the vehicle to shift out of park.

3. What are the possible causes of OBDII code P0703 in a 1999 Ford F150?

- The common causes of this code include a faulty brake switch, wiring issues, or a misadjusted brake switch.

4. How can I diagnose the OBDII code P0703 on my 1999 Ford F150?

- You can diagnose this code by checking the brake lights operation, testing the brake switch for continuity, and inspecting the wiring for any damage.

5. Can I still drive my 1999 Ford F150 with the OBDII code P0703 present?

- It is not recommended to drive the vehicle with this code, as it can affect the proper operation of the brake lights and potentially lead to safety issues.

6. How do I repair the OBDII code P0703 Brake Switch Performance on my 1999 Ford F150?

- The repair typically involves replacing the faulty brake switch, adjusting the switch if necessary, or repairing any damaged wiring.

7. Are there any DIY tips for fixing the OBDII code P0703 on a 1999 Ford F150?

- DIY tips include checking the brake switch adjustment, inspecting the wiring for any visible damage, and replacing the brake switch if needed.

8. Will resetting the OBDII code P0703 on my 1999 Ford F150 make it go away permanently?

- Resetting the code may clear it temporarily, but if the underlying issue with the brake switch is not addressed, the code is likely to return.

9. Can a malfunctioning brake switch cause other problems in a 1999 Ford F150 besides triggering the P0703 code?

- Yes, a malfunctioning brake switch can also affect the operation of the cruise control system and proper shifting out of park in the vehicle.

10. How much does it typically cost to repair the OBDII code P0703 Brake Switch Performance on a 1999 Ford F150?

- The cost of repair can vary depending on the root cause of the issue, but it may range from around $50 for a DIY fix to a few hundred dollars if professional help is needed.