AutoCodes – Chevrolet – P25A2 2018 Chevrolet Silverado

P25A2 2018 Chevrolet Silverado Code - Brake System Control Module 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: P25A2 2018 Chevrolet Silverado indicates Brake System Control Module 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.

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Code Popularity 1,186

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 15, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P25A2 2018 Chevrolet Silverado Description

Control modules constantly monitor the vehicle for any condition which may adversely affect vehicle performance. If a condition is detected, the module sets a Diagnostic Trouble Code (DTC) and sends a serial data message to the Engine Control Module (ECM). The ECM sets a DTC to inform that the module has set a DTC. The serial data message sent by the module also contains a request for the ECM to illuminate the Malfunction Indicator Lamp (MIL).
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.

OBDII Code P25A2 2018 Chevrolet Silverado - Brake System Control Module Requested MIL Illumination - AutoCodes.com — P25A2 2018 Chevrolet Silverado Code - Brake System Control Module Requested MIL Illumination

What does this mean?

What are the Possible Causes of the DTC P25A2 2018 Chevrolet Silverado?

Check Brake System Control Module for codes
Faulty Brake System Control Module

How to Fix the DTC P25A2 2018 Chevrolet Silverado?

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 P25A2 2018 Chevrolet Silverado 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 P25A2 2018 Chevrolet Silverado code?

Need more information on how to fix the P25A2 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P25A2 2018 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

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 2018 Chevrolet Silverado Code

1. What does OBDII code P25A2 on a 2018 Chevrolet Silverado mean?

The code P25A2 indicates that the Brake System Control Module has requested the Malfunction Indicator Lamp (MIL) to be illuminated.

2. What are the common symptoms associated with OBDII code P25A2 in a 2018 Chevrolet Silverado?

Common symptoms include the illumination of the check engine light or the brake system warning light on the dashboard.

3. What are the possible causes of OBDII code P25A2 in a 2018 Chevrolet Silverado?

Potential causes of code P25A2 can include a faulty brake system control module, wiring issues, or a software malfunction.

4. How serious is OBDII code P25A2 on a 2018 Chevrolet Silverado?

While the vehicle may still be operable with this code present, it is important to address the underlying issue promptly to ensure the proper functioning of the brake system.

5. Can I continue driving my 2018 Chevrolet Silverado with OBDII code P25A2?

It is recommended to have the vehicle inspected by a qualified technician as soon as possible to diagnose and repair the issue causing the code.

6. How is OBDII code P25A2 diagnosed in a 2018 Chevrolet Silverado?

Diagnosis typically involves using a diagnostic scanner to retrieve the code, performing a visual inspection of the brake system components, and testing the brake system control module.

7. How can OBDII code P25A2 in a 2018 Chevrolet Silverado be repaired?

Repairing this code may involve replacing the faulty brake system control module, repairing any damaged wiring, or updating the control module software.

8. Can resetting the OBDII codes clear P25A2 on a 2018 Chevrolet Silverado?

While clearing the codes may temporarily turn off the warning lights, it is essential to address the underlying issue causing the code to prevent it from reoccurring.

9. Is it safe to ignore OBDII code P25A2 in a 2018 Chevrolet Silverado?

Ignoring this code can lead to potential brake system malfunctions, so it is advisable to have the vehicle inspected and repaired promptly.

10. How much does it typically cost to repair OBDII code P25A2 in a 2018 Chevrolet Silverado?

The cost of repair can vary depending on the exact cause of the issue, but it is recommended to obtain a diagnosis from a qualified mechanic to determine the specific repair cost.