AutoCodes – Subaru – B28B9 Subaru

B28B9 Subaru Code - EyeSight Steering Switch 2

Quick Answer

The Diagnostic Trouble Code (DTC) is set when EyeSight steering switch is not installed or has malfunctioned, or when the harness is faulty or open-circuited or in stuck ON condition. Common causes include Faulty EyeSight Steering Switch, EyeSight Steering Switch harness is open or shorted, EyeSight Steering Switch 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
B28B9 Subaru indicates EyeSight Steering Switch 2.
Common causes
Common causes include Faulty EyeSight Steering Switch, EyeSight Steering Switch harness is open or shorted, EyeSight Steering Switch 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 2,499
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Feb 19, 2020
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Code B28B9 Subaru Description

The Diagnostic Trouble Code (DTC) is set when EyeSight steering switch is not installed or has malfunctioned, or when the harness is faulty or open-circuited or in stuck ON condition.
OBDII Code B28B9 Subaru - EyeSight Steering Switch 2 - AutoCodes.com
B28B9 Subaru Code - EyeSight Steering Switch 2

What are the Possible Causes of the DTC B28B9 Subaru?

  • Faulty EyeSight Steering Switch
  • EyeSight Steering Switch harness is open or shorted
  • EyeSight Steering Switch circuit poor electrical connection

How to Fix the DTC B28B9 Subaru?

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 B28B9 Subaru 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 B28B9 Subaru code?

Need more information on how to fix the B28B9 Subaru 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 B28B9 Subaru Code

1. What does OBDII code B28B9 for Subaru EyeSight Steering Switch 2 indicate?

This code indicates a fault in the EyeSight steering switch 2 system of the Subaru vehicle.

2. What are the common symptoms of OBDII code B28B9 in a Subaru?

Common symptoms include the EyeSight system not responding to steering inputs, malfunction indicator light (MIL) illumination, and potential loss of certain EyeSight safety features.

3. What can cause the OBDII code B28B9 to trigger in a Subaru?

Possible causes include a faulty steering switch 2, wiring issues, poor connections, or a malfunction within the EyeSight system.

4. How can I diagnose the OBDII code B28B9 in my Subaru?

Diagnosis typically involves using an OBDII scanner to retrieve the code, inspecting the steering switch 2 components, checking the wiring for damage, and performing a thorough inspection of the EyeSight system.

5. Is it safe to continue driving with the OBDII code B28B9 present in my Subaru?

It is recommended to address the issue promptly to ensure the proper functioning of the EyeSight system and maintain the vehicle's safety features.

6. Can I reset the OBDII code B28B9 in my Subaru without repairs?

While you can clear the code using an OBDII scanner, it is important to investigate the underlying cause and make necessary repairs to prevent the code from reoccurring.

7. How much does it typically cost to repair OBDII code B28B9 in a Subaru?

Repair costs can vary depending on the exact cause of the code, but they may involve replacing the steering switch 2, repairing wiring issues, or addressing faults within the EyeSight system.

8. Are there any DIY tips for fixing OBDII code B28B9 in a Subaru?

DIY tips may include checking for loose connections, inspecting wiring for damage, and following the manufacturer's service manual for guidance on addressing the specific issue.

9. Can a faulty steering switch 2 affect other systems in my Subaru?

Yes, a faulty steering switch 2 can potentially impact the overall functionality of the EyeSight system, leading to safety feature malfunctions or reduced system performance.

10. How often should I have the EyeSight system inspected in my Subaru to prevent OBDII code B28B9 issues?

Regular maintenance and inspections as recommended in the vehicle's service schedule can help prevent issues like OBDII code B28B9 by catching potential problems early and addressing them promptly.

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