AutoCodes – Dodge – P0504 Dodge

P0504 Dodge Code - Brake Switch Circuit 'A' / 'B' Correlation

Quick Answer

The Brake Pedal Switch (BPS) is sometimes referred to as the stop lamp switch. Common causes include Faulty stop lamp switch, Blown stop lamp bulb, Brake switch harness 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: P0504 Dodge indicates Brake Switch Circuit 'A' / 'B' Correlation.
Common causes: Common causes include Faulty stop lamp switch, Blown stop lamp bulb, Brake switch harness 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 4,880

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Basic DIY (1 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 31, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0504 Dodge Description

The Brake Pedal Switch (BPS) is sometimes referred to as the stop lamp switch. The BPS provides a signal to the Powertrain Control Module (PCM) indicating the brakes are applied. The BPS is normally open and mounted on the brake pedal support. The Powertrain Control Module does a comparison test between the Brake Pedal Switch and the Brake Pedal Position (BPP) switch. The Diagnostic Trouble Code (DTC) will set when the BPS and BPP are no to factory specifications.

OBDII Code P0504 Dodge - Brake Switch Circuit 'A' / 'B' Correlation - AutoCodes.com — P0504 Dodge Code - Brake Switch Circuit 'A' / 'B' Correlation

What does this mean?

What are the Possible Causes of the DTC P0504 Dodge?

Faulty stop lamp switch
Blown stop lamp bulb
Brake switch harness open or shorted
Brake switch circuit poor electrical connection

How to Fix the DTC P0504 Dodge?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0504 Dodge 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 P0504 Dodge Code

1. What does OBDII code P0504 for Dodge mean?

- OBDII code P0504 indicates a potential issue with the Brake Switch Circuit 'A' / 'B' Correlation in the vehicle.

2. What are the common symptoms of OBDII code P0504 in a Dodge vehicle?

- Common symptoms include the inability to shift out of Park, the Brake Light staying on, cruise control not working, and the vehicle's speed control system malfunctioning.

3. What are the possible causes of OBDII code P0504 in a Dodge?

- The code P0504 can be triggered by a faulty brake light switch, a damaged or misaligned brake pedal position sensor, wiring issues, or a problem with the brake control module.

4. How can I diagnose the Brake Switch Circuit 'A' / 'B' Correlation issue for OBDII code P0504 in my Dodge?

- To diagnose the problem, you can start by checking the brake light operation, inspecting the brake switch for proper adjustment and functionality, and examining the wiring for any signs of damage.

5. Can I continue driving my Dodge with OBDII code P0504 present?

- It is not recommended to drive your vehicle with OBDII code P0504 present, as it can affect important safety features like the ability to shift gears and control vehicle speed.

6. How do I repair OBDII code P0504 in my Dodge?

- The repair process for code P0504 typically involves replacing the faulty brake light switch, adjusting or replacing the brake pedal position sensor, addressing any wiring issues, or recalibrating the brake control module.

7. Will resetting the OBDII code P0504 in my Dodge make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing code P0504 is not addressed, the code is likely to reappear.

8. Can a DIY enthusiast fix OBDII code P0504 in a Dodge?

- Depending on your level of automotive expertise, you may be able to address the issue causing code P0504 yourself by following repair guides and using basic tools. However, more complex issues may require professional assistance.

9. How long does it take to repair OBDII code P0504 in a Dodge?

- The time needed for repairs related to code P0504 can vary depending on the exact cause of the issue and the extent of the repair needed. Simple fixes like adjusting the brake switch can take less time, while more complex repairs may require more time.

10. Is it necessary to visit a dealership for OBDII code P0504 repair in a Dodge?

- While a dealership may provide specialized expertise, independent mechanics or DIY enthusiasts with the necessary skills and tools can also effectively diagnose and repair OBDII code P0504 in a Dodge.