AutoCodes – Hummer – C0284 Hummer

C0284 Hummer Code - Electronic Brake Control Module Malfunction

Quick Answer

The Electronic Brake Control Module (EBCM) set the Diagnostic Trouble Code (DTC) when identifies a malfunction within the EBCM. Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module (EBCM) harness is open or shorted, Electronic Brake Control Module (EBCM) 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: C0284 Hummer indicates Electronic Brake Control Module Malfunction.
Common causes: Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module (EBCM) harness is open or shorted, Electronic Brake Control Module (EBCM) 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 1,173

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Jun 06, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0284 Hummer Description

The Electronic Brake Control Module (EBCM) set the Diagnostic Trouble Code (DTC) when identifies a malfunction within the EBCM.

OBDII Code C0284 Hummer - Electronic Brake Control Module Malfunction - AutoCodes.com — C0284 Hummer Code - Electronic Brake Control Module Malfunction

What does this mean?

What are the Possible Causes of the DTC C0284 Hummer?

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

How to Fix the DTC C0284 Hummer?

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 C0284 Hummer 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 C0284 Hummer code?

Need more information on how to fix the C0284 Hummer code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0284 Hummer 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 C0284 Hummer Code

1. What are the common symptoms of OBDII code C0284 in a Hummer?

The common symptoms of OBDII code C0284 in a Hummer include the ABS warning light illuminating on the dashboard, poor braking performance, and potential difficulty stopping the vehicle.

2. What does OBDII code C0284 indicate in a Hummer?

OBDII code C0284 in a Hummer indicates a malfunction in the Electronic Brake Control Module (EBCM), specifically related to the internal malfunction of the module.

3. What are the possible causes of OBDII code C0284 in a Hummer?

Possible causes of OBDII code C0284 in a Hummer include a faulty Electronic Brake Control Module, damaged wiring or connectors in the ABS system, or issues with the wheel speed sensors.

4. How can I diagnose OBDII code C0284 in my Hummer?

Diagnosing OBDII code C0284 in a Hummer typically involves using an OBDII scanner to retrieve the code, inspecting the ABS system components for any visible damage, and conducting further testing on the EBCM and related circuits.

5. What are the repair options for OBDII code C0284 in a Hummer?

Repair options for OBDII code C0284 in a Hummer may include replacing the Electronic Brake Control Module, repairing any damaged wiring or connectors in the ABS system, or addressing issues with the wheel speed sensors.

6. Can I continue driving my Hummer with OBDII code C0284?

It is not recommended to continue driving your Hummer with OBDII code C0284, as it may result in compromised braking performance and safety. It is advisable to address the issue promptly.

7. How much does it cost to repair OBDII code C0284 in a Hummer?

The cost to repair OBDII code C0284 in a Hummer can vary depending on the exact cause of the issue, the parts needed for repair, and labor costs. It is recommended to consult with a professional mechanic for an accurate estimate.

8. Are there any DIY tips for troubleshooting OBDII code C0284 in a Hummer?

While troubleshooting OBDII code C0284 in a Hummer may require specialized tools and expertise, you can check for loose or damaged ABS system connectors and inspect the wheel speed sensors for any visible issues as a DIY step.

9. Will resetting the OBDII code C0284 in my Hummer make it go away permanently?

Resetting the OBDII code C0284 in your Hummer may temporarily turn off the warning light, but if the underlying issue is not addressed and repaired, the code is likely to reappear when the system detects the problem again.

10. How important is it to address OBDII code C0284 promptly in a Hummer?

It is crucial to address OBDII code C0284 promptly in a Hummer to ensure the proper functioning of the ABS system and maintain optimal braking performance and safety while driving. Delaying repairs can potentially lead to more serious issues.