AutoCodes – Generic – C0284

C0284 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 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 4,459

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 Jun 12, 2020

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

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

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

What does this mean?

What are the Possible Causes of the DTC C0284?

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?

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 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 code?

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Need Help with the Code?

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Information for Specific Makes

C0284 Buick — Electronic Brake Control Module Malfunction
C0284 Cadillac — Electronic Brake Control Module Malfunction
C0284 Chevrolet — Electronic Brake Control Module Malfunction
C0284 GMC — Electronic Brake Control Module Malfunction
C0284 Hummer — Electronic Brake Control Module Malfunction
C0284 Pontiac — Electronic Brake Control Module Malfunction
C0284 Saturn — Electronic Brake Control Module Malfunction

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.