OBD Guide
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B2284

Brake Signal Malfunction

B2284 is an OBD-II diagnostic trouble code meaning: Brake Signal Malfunction. Common causes: faulty brake sensor, open or shorted wiring harness. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Incorrect operation of the acidosis brake light
  • Problems with the ABS system
  • Activating the warning light on the dashboard

Causes

  • Faulty brake sensor
  • Open or shorted wiring harness
  • Contact corrosion
  • Control unit malfunction

How to Fix

  1. Check the brake sensor and its connection
  2. Inspect the wiring harness for damage
  3. Clean contacts from corrosionalez
  4. Flash or replace the control unit, if necessary

Related codes

B2283B2285C0035

FAQ

What does the B2284 code mean?

B2284 is an OBD-II diagnostic trouble code that indicates: Brake Signal Malfunction

What causes a B2284 error code?

The most common causes of B2284 include: Faulty brake sensor; Open or shorted wiring harness; Contact corrosion; Control unit malfunction.

How do I fix a B2284 diagnostic trouble code?

To fix B2284: Check the brake sensor and its connection. Inspect the wiring harness for damage. Clean contacts from corrosionalez. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2284?

Limited driving only, diagnose soon

How much does it cost to fix B2284?

The estimated repair cost for B2284 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat