Engine-CodesGMC – P25A2 2014 GMC Sierra

P25A2 2014 GMC Sierra Code - Brake System Control Module Requested MIL Illumination

Quick Answer

The P25A2 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates that the Brake System Control Module (BSCM) has requested the Malfunction Indicator Lamp (MIL) to be illuminated. Common causes include Faulty brake sensors, Wiring issues or electrical faults, Malfunctioning BSCM. 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
P25A2 2014 GMC Sierra indicates Brake System Control Module Requested MIL Illumination.
Common causes
Common causes include Faulty brake sensors, Wiring issues or electrical faults, Malfunctioning BSCM.
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.
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code P25A2 2014 GMC Sierra Description

The P25A2 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates that the Brake System Control Module (BSCM) has requested the Malfunction Indicator Lamp (MIL) to be illuminated. This means that the BSCM has detected a fault or malfunction in the brake system that requires attention. The MIL, also known as the Check Engine Light, serves as a warning indicator to alert the driver of a potential issue that needs to be addressed.

OBDII Code P25A2 2014 GMC Sierra - Brake System Control Module Requested MIL Illumination
P25A2 2014 GMC Sierra Code - Brake System Control Module Requested MIL Illumination

Common Causes of P25A2 2014 GMC Sierra

  1. Faulty brake sensors
  2. Wiring issues or electrical faults
  3. Malfunctioning BSCM
  4. Damaged brake system components
  5. Corrosion or contamination in the brake system

Symptoms of P25A2 2014 GMC Sierra

  1. Illumination of the Check Engine Light
  2. Decreased braking performance
  3. ABS (Anti-lock Braking System) warning light illuminated
  4. Traction control or stability control issues
  5. Unusual noises or sensations when braking

How to Fix P25A2 2014 GMC Sierra

  1. Diagnose the specific cause of the code using a diagnostic scanner to retrieve additional fault codes and data from the BSCM.
  2. Inspect the brake system components, wiring, and sensors for any visible damage or signs of wear.
  3. Test the BSCM for proper functionality and communication with other control modules.
  4. Replace any faulty sensors, wiring, or components as needed.
  5. Clear the DTC and reset the MIL to ensure the issue has been resolved.

Cost to Fix P25A2 2014 GMC Sierra

The typical repair costs for addressing a P25A2 code on a 2014 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of parts and labor for this repair could range from $200 to $500. It's important to note that the actual cost may be higher or lower based on factors such as the location of the repair shop, the make and model of the vehicle, and the extent of the repairs needed. Additionally, diagnostic time and labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. It's recommended to obtain a detailed estimate from a qualified mechanic to determine the exact cost for addressing this issue.

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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 P25A2 2014 GMC Sierra Code

1. What are the common symptoms of OBDII code P25A2 in a 2014 GMC Sierra?

The common symptoms include the illumination of the malfunction indicator lamp (MIL) on the dashboard, issues with the brake system, and potential loss of power.

2. What does the OBDII code P25A2 in a 2014 GMC Sierra indicate?

The code P25A2 specifically indicates a Brake System Control Module Requested MIL Illumination, signaling a potential issue with the brake system control module.

3. What are the possible causes of OBDII code P25A2 in a 2014 GMC Sierra?

Potential causes include a faulty brake system control module, wiring or connection issues related to the module, or software malfunctions within the module.

4. How can I diagnose the OBDII code P25A2 in my 2014 GMC Sierra?

Diagnosis involves using an OBDII scanner to retrieve the specific code, inspecting the brake system control module and related components, and checking for any visible signs of damage or corrosion.

5. Can I continue driving my 2014 GMC Sierra with OBDII code P25A2 illuminated?

It is not recommended to continue driving the vehicle with the MIL illuminated, as it indicates a potential issue with the brake system that may compromise safety. Have the vehicle inspected and repaired promptly.

6. How can I reset the OBDII code P25A2 in my 2014 GMC Sierra?

Resetting the code involves using an OBDII scanner to clear the code after addressing the underlying issue with the brake system control module or related components.

7. Is it safe to ignore the OBDII code P25A2 in my 2014 GMC Sierra?

Ignoring the code can lead to further damage to the brake system and potentially compromise the safety and performance of the vehicle. It is best to address the issue promptly.

8. What are some repair tips for fixing OBDII code P25A2 in a 2014 GMC Sierra?

Repair tips include checking and repairing any wiring or connection issues, replacing the faulty brake system control module if necessary, and ensuring proper software updates are performed.

9. Can a DIY enthusiast fix OBDII code P25A2 in a 2014 GMC Sierra?

While some basic inspection and troubleshooting can be done by a DIY enthusiast, dealing with brake system components and control modules may require specialized tools and expertise. It is recommended to consult a professional mechanic for proper diagnosis and repair.

10. How much does it cost to repair OBDII code P25A2 in a 2014 GMC Sierra?

The cost of repair can vary depending on the specific underlying issue, parts needed for replacement, and labor costs. It is advisable to obtain quotes from automotive repair shops for an accurate estimation.

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