OBD Guide
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B28B9

EyeSight Steering Switch 2

B28B9 is an OBD-II diagnostic trouble code meaning: EyeSight Steering Switch 2. Common causes: steering switch malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Disabling EyeSight
  • Inability to activate driver assistance features
  • The malfunction indicator on the dashboard lights up

Causes

  • Steering switch malfunction
  • Open or short circuit in wiring harness
  • Problems with the EyeSight control module
  • Contact corrosion

How to Fix

  1. Check the condition of the steering switch
  2. Inspect the wiring harness for damage
  3. Check contacts for corrosion
  4. Replace switch if necessary
  5. Test the EyeSight system after repair

Related codes

B28B8B28BAC1A26

FAQ

What does the B28B9 code mean?

B28B9 is an OBD-II diagnostic trouble code that indicates: EyeSight Steering Switch 2

What causes a B28B9 error code?

The most common causes of B28B9 include: Steering switch malfunction; Open or short circuit in wiring harness; Problems with the EyeSight control module; Contact corrosion.

How do I fix a B28B9 diagnostic trouble code?

To fix B28B9: Check the condition of the steering switch. Inspect the wiring harness for damage. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B28B9?

Limited driving only, diagnose soon

How much does it cost to fix B28B9?

The estimated repair cost for B28B9 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat