P25C9 GMC Code - Brake System Control Module 2 Requested MIL Illumination
Quick Answer
Control modules constantly monitor the vehicle for any condition which may adversely affect vehicle performance. Common causes include Check Brake System Control Module for codes, Faulty Brake System Control Module. 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
- P25C9 GMC indicates Brake System Control Module 2 Requested MIL Illumination.
- Common causes
- Common causes include Check Brake System Control Module for codes, Faulty Brake System Control Module.
- 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.
Code P25C9 GMC Description
The DTC will be set when the ECM receives a serial data message from the Brake System Control Module indicating that DTC has been set in the module.
What are the Possible Causes of the DTC P25C9 GMC?
- Check Brake System Control Module for codes
- Faulty Brake System Control Module
How to Fix the DTC P25C9 GMC?
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 P25C9 GMC 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 P25C9 GMC code?
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Get the P25C9 GMC code diagnosed by a professional: Find a repair shop in your area
Information for Specific GMC Models
- P25C9 2014 GMC Sierra — Brake System Control Module 2 Requested MIL Illumination
- P25C9 2015 GMC Sierra — Brake System Control Module 2 Requested MIL Illumination
- P25C9 2016 GMC Sierra — Brake System Control Module 2 Requested MIL Illumination
- P25C9 2017 GMC Sierra — Brake System Control Module 2 Requested MIL Illumination
- P25C9 2018 GMC Sierra — Brake System Control Module 2 Requested MIL Illumination
Frequently Asked Questions about P25C9 GMC Code
1. What are the common symptoms of OBDII code P25C9 in a GMC vehicle?
- Common symptoms include the check engine light coming on, decreased braking performance, and potential issues with the brake system control module.
2. What can cause the OBDII code P25C9 to trigger in a GMC vehicle?
- The code P25C9 is typically triggered by a malfunction or communication error within Brake System Control Module 2, leading to a request for the Malfunction Indicator Lamp (MIL) to illuminate.
3. How serious is the OBDII code P25C9 in a GMC vehicle?
- The code P25C9 should be addressed promptly as it indicates a potential issue with the brake system control module, which could affect the vehicle's braking performance and safety.
4. What should I do if my GMC vehicle displays the OBDII code P25C9?
- It is recommended to have the vehicle diagnosed by a qualified mechanic to pinpoint the exact cause of the issue and determine the necessary repairs.
5. Can I continue driving my GMC vehicle with the OBDII code P25C9 present?
- It is not advisable to continue driving the vehicle with the code P25C9 active, as it could lead to safety concerns due to potential brake system malfunctions.
6. How can I repair the OBDII code P25C9 related to the Brake System Control Module 2 in my GMC?
- Repairing the P25C9 code may involve checking and repairing any wiring or connection issues, replacing faulty components in the brake system control module, or reprogramming the module as needed.
7. Is it possible to reset the OBDII code P25C9 in a GMC without fixing the underlying issue?
- While you can clear the code temporarily with a diagnostic tool, it is crucial to address the root cause to prevent the code from reoccurring and ensure the proper functioning of the brake system.
8. Can a DIY enthusiast fix the OBDII code P25C9 issue in a GMC, or is professional help necessary?
- Depending on your skill level and experience with automotive repairs, you may be able to address simple causes of the P25C9 code. However, complex issues may require professional assistance.
9. How much does it typically cost to repair the OBDII code P25C9 related to the Brake System Control Module 2 in a GMC?
- The cost of repairing the P25C9 code can vary based on the specific cause of the issue, the necessary parts, and labor costs. It is best to obtain quotes from reputable mechanics.
10. Are there any preventive measures to avoid the recurrence of the OBDII code P25C9 in a GMC after repair?
- Regular maintenance of the brake system, including checking for loose connections and wiring, can help prevent issues that may trigger the P25C9 code.
Discuss the causes and fixes for P25C9 GMC OBDII Code
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