AutoCodes – GMC – C025E 2014 GMC Sierra

C025E 2014 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 2014 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 353

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 04, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C025E 2014 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 2014 GMC Sierra - Brake Booster Vacuum Sensor Circuit - AutoCodes.com — C025E 2014 GMC Sierra Code - Brake Booster Vacuum Sensor Circuit

What does this mean?

What are the Possible Causes of the DTC C025E 2014 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 2014 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 2014 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 2014 GMC Sierra code?

Need more information on how to fix the C025E 2014 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 C025E 2014 GMC Sierra Code

1. What are common symptoms of OBDII code C025E in a 2014 GMC Sierra?

- Common symptoms include issues with the brake system, such as loss of power assist, a hard brake pedal, or the illumination of the brake warning light.

2. What does the OBDII code C025E for a 2014 GMC Sierra indicate?

- The code C025E specifically relates to a fault in the Brake Booster Vacuum Sensor Circuit in the vehicle.

3. What are potential causes of OBDII code C025E in a 2014 GMC Sierra?

- Potential causes include a faulty brake booster vacuum sensor, damaged wiring or connectors in the sensor circuit, or a problem with the brake booster itself.

4. How can I diagnose the Brake Booster Vacuum Sensor Circuit issue in my 2014 GMC Sierra?

- Diagnosing the issue involves using a diagnostic scanner to read the OBDII code, visually inspecting the sensor and its wiring for damage, and testing the sensor for proper operation.

5. Can I still drive my 2014 GMC Sierra with OBDII code C025E present?

- It is not recommended to drive the vehicle with this code present, as it can affect the proper functioning of the brake system and compromise safety.

6. How do I repair OBDII code C025E in my 2014 GMC Sierra?

- Repairing the issue may involve replacing the brake booster vacuum sensor, repairing damaged wiring or connectors, or addressing any underlying problems with the brake booster.

7. Is it necessary to reset the OBDII code C025E after repairing the issue in a 2014 GMC Sierra?

- Yes, it is recommended to clear the code using a diagnostic scanner after repairing the Brake Booster Vacuum Sensor Circuit problem to reset the vehicle's computer system.

8. Are there any DIY tips for troubleshooting OBDII code C025E in a 2014 GMC Sierra?

- DIY tips include checking the sensor and its connections for visible damage, testing the sensor's functionality using a multimeter, and following a service manual for specific troubleshooting steps.

9. How much does it typically cost to repair OBDII code C025E in a 2014 GMC Sierra?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve parts and labor expenses ranging from $100 to $300 or more.

10. Can a mechanic help me diagnose and repair OBDII code C025E in my 2014 GMC Sierra?

- Yes, a qualified mechanic with experience in automotive diagnostics can help diagnose the issue accurately and perform the necessary repairs to fix the Brake Booster Vacuum Sensor Circuit problem.