AutoCodes – GMC – C025E 2017 GMC Sierra

C025E 2017 GMC Sierra Code - Brake Booster Vacuum Sensor Circuit

Quick Answer

The Brake Booster Vacuum Sensor monitors the pressure in the brake booster. Common causes include Faulty Brake Booster Vacuum Sensor, Brake Booster Vacuum Sensor harness is open or shorted, Brake Booster Vacuum Sensor 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
C025E 2017 GMC Sierra indicates Brake Booster Vacuum Sensor Circuit.
Common causes
Common causes include Faulty Brake Booster Vacuum Sensor, Brake Booster Vacuum Sensor harness is open or shorted, Brake Booster Vacuum Sensor 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.
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Code Popularity 326
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 04, 2023
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Code C025E 2017 GMC Sierra Description

The Brake Booster Vacuum Sensor monitors the pressure in the brake booster. The Electronic Brake Control Module (EBCM) supplies a 5 V reference and a low reference circuit to the Brake Booster Vacuum Sensor. The vacuum sensor supplies a voltage signal in relation to the pressure in the brake booster to Electronic Brake Control Module. The Diagnostic Trouble Code (DTC) will be set when a short to ground or a short to voltage is detected on the 5V reference circuit.
OBDII Code C025E 2017 GMC Sierra - Brake Booster Vacuum Sensor Circuit - AutoCodes.com
C025E 2017 GMC Sierra Code - Brake Booster Vacuum Sensor Circuit

What are the Possible Causes of the DTC C025E 2017 GMC Sierra?

  • Faulty Brake Booster Vacuum Sensor
  • Brake Booster Vacuum Sensor harness is open or shorted
  • Brake Booster Vacuum Sensor circuit poor electrical connection
  • Faulty Electronic Brake Control Module (EBCM)

How to Fix the DTC C025E 2017 GMC Sierra?

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 C025E 2017 GMC Sierra 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 C025E 2017 GMC Sierra code?

Need more information on how to fix the C025E 2017 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C025E 2017 GMC Sierra 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 C025E 2017 GMC Sierra Code

1. What are the common symptoms of OBDII code C025E on a 2017 GMC Sierra related to the Brake Booster Vacuum Sensor Circuit?

The common symptoms include the illumination of the check engine light, decreased brake performance, and potential issues with the brake booster system.

2. What could cause the OBDII code C025E on a 2017 GMC Sierra?

The code C025E is typically triggered by a fault in the brake booster vacuum sensor circuit, which may be caused by damaged wiring, a faulty sensor, or a poor connection.

3. How serious is OBDII code C025E on a 2017 GMC Sierra?

While the vehicle may still be operable with this code, it is important to address it promptly as it can affect the proper functioning of the brake booster system, potentially impacting braking performance and safety.

4. Can I continue driving my 2017 GMC Sierra with OBDII code C025E present?

It is not recommended to continue driving the vehicle with this code present, as it can lead to reduced brake effectiveness and compromise overall safety. It's best to have the issue diagnosed and repaired as soon as possible.

5. How can I diagnose OBDII code C025E on a 2017 GMC Sierra?

Diagnosing this code typically involves using an OBDII scanner to retrieve the specific fault code, followed by inspecting the brake booster vacuum sensor circuit, checking for damaged wires, loose connections, or a faulty sensor.

6. What are some repair tips for addressing OBDII code C025E on a 2017 GMC Sierra?

Repair tips may include checking and repairing any damaged wiring, ensuring a secure connection to the sensor, or replacing the faulty brake booster vacuum sensor if necessary.

7. Can a DIY enthusiast fix OBDII code C025E on a 2017 GMC Sierra?

Depending on their skill level and access to tools, a DIY enthusiast may be able to address this code by following repair guides, but complex electrical issues may require professional diagnosis and repair.

8. How much does it typically cost to repair OBDII code C025E on a 2017 GMC Sierra?

The cost of repairing this code can vary depending on the underlying cause, parts needed, and labor costs. It's advisable to get multiple quotes from trusted mechanics to determine the most cost-effective solution.

9. Will resetting the OBDII system clear the C025E code on a 2017 GMC Sierra?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the code is not addressed, it is likely to reappear. It's essential to diagnose and fix the root cause of the problem.

10. How long does it take to repair OBDII code C025E on a 2017 GMC Sierra?

The repair time can vary based on the exact cause of the code, availability of parts, and the expertise of the technician. It's advisable to consult with a mechanic to get an estimate of the repair timeline.

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