AutoCodes – Saab – P1577 Saab

P1577 Saab Code - Brake Pedal Position Switch Short To Ground

Quick Answer

P1577 Saab indicates Brake Pedal Position Switch Short To Ground. Common causes include Faulty Brake Pedal Position (BPP) 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
P1577 Saab indicates Brake Pedal Position Switch Short To Ground.
Common causes
Common causes include Faulty Brake Pedal Position (BPP) 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 3,258
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 20, 2020
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Code P1577 Saab Description

OBDII Code P1577 Saab - Brake Pedal Position Switch Short To Ground - AutoCodes.com
P1577 Saab Code - Brake Pedal Position Switch Short To Ground

What are the Possible Causes of the DTC P1577 Saab?

  • Faulty Brake Pedal Position (BPP) Switch
  • Brake Pedal Position Switch harness is open or shorted
  • Brake Pedal Position Switch circuit poor electrical connection

How to Fix the DTC P1577 Saab?

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 P1577 Saab 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 P1577 Saab Code

1. What are the common symptoms of OBDII code P1577 in a Saab related to the Brake Pedal Position Switch Short To Ground?

The common symptoms include the brake lights staying on constantly, difficulty shifting out of park, and potential issues with cruise control and other brake-related functions.

2. What are the possible causes of the OBDII code P1577 in a Saab indicating a Brake Pedal Position Switch Short To Ground?

Possible causes include a faulty brake pedal position switch, damaged wiring or connectors in the brake light circuit, or a short to ground in the brake light system.

3. How can I diagnose the OBDII code P1577 in a Saab for a Brake Pedal Position Switch Short To Ground?

Diagnosis involves checking the brake pedal position switch for proper operation, inspecting the wiring and connectors for any damage, and testing for a short to ground in the brake light system using a multimeter.

4. What are the repair options for fixing the OBDII code P1577 in a Saab related to a Brake Pedal Position Switch Short To Ground?

Repair options include replacing the brake pedal position switch if it is faulty, repairing any damaged wiring or connectors, and addressing any short to ground issues in the brake light system.

5. Can I drive my Saab with the OBDII code P1577 indicating a Brake Pedal Position Switch Short To Ground?

It is not recommended to drive the vehicle with this issue as it can affect the proper functioning of the brake lights and other critical safety systems.

6. How much does it typically cost to repair the OBDII code P1577 in a Saab for a Brake Pedal Position Switch Short To Ground?

The cost of repair can vary depending on the specific issue, but it may range from around $100 to $300 for parts and labor.

7. Will resetting the OBDII code P1577 in a Saab related to a Brake Pedal Position Switch Short To Ground solve the problem?

Simply resetting the code may temporarily turn off the warning light, but it will not fix the underlying issue causing the code to trigger. It is important to diagnose and repair the root cause of the problem.

8. Can a DIY enthusiast fix the OBDII code P1577 in a Saab indicating a Brake Pedal Position Switch Short To Ground?

Depending on the level of expertise and access to tools, a DIY enthusiast may be able to diagnose and repair this issue. However, it is recommended to have a professional mechanic handle the repair for optimal results.

9. How long does it take to repair the OBDII code P1577 in a Saab for a Brake Pedal Position Switch Short To Ground?

The repair time can vary based on the exact cause of the issue and the complexity of the repair. In most cases, it can take anywhere from 1 to 3 hours to complete the repair.

10. Are there any recalls or technical service bulletins related to the OBDII code P1577 in a Saab for a Brake Pedal Position Switch Short To Ground?

It is advisable to check with authorized Saab service centers or visit the National Highway Traffic Safety Administration (NHTSA) website to see if there are any recalls or technical service bulletins related to this specific OBDII code.

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