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B28A2 Subaru Code - EyeSight Communication

Quick Answer

The B28A2 Subaru code relates to an issue with the EyeSight communication system in the vehicle. Common causes include Loose or corroded wiring connections within the EyeSight system, Damaged sensors or cameras affecting communication, Software glitches or updates needed for the control module. 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
B28A2 Subaru indicates EyeSight Communication.
Common causes
Common causes include Loose or corroded wiring connections within the EyeSight system, Damaged sensors or cameras affecting communication, Software glitches or updates needed for the control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code B28A2 Subaru Description

The B28A2 Subaru code relates to an issue with the EyeSight communication system in the vehicle. EyeSight is Subaru's advanced driver-assist system that uses cameras and sensors to provide features such as adaptive cruise control, pre-collision braking, and lane departure warning. When this code appears, it indicates that there is a communication problem within the EyeSight system, which can affect the functionality of these safety features.

OBDII Code B28A2 Subaru - EyeSight Communication
B28A2 Subaru Code - EyeSight Communication

Common Causes of B28A2 Subaru

  1. Loose or corroded wiring connections within the EyeSight system
  2. Damaged sensors or cameras affecting communication
  3. Software glitches or updates needed for the control module
  4. Electrical issues within the EyeSight system
  5. Physical damage to components due to accidents or external factors

Symptoms of B28A2 Subaru

  1. Adaptive cruise control not engaging or functioning erratically
  2. Lane departure warning system not providing accurate alerts
  3. Pre-collision braking system not activating when necessary
  4. EyeSight warning light illuminated on the dashboard
  5. Loss of EyeSight system functionality

How to Fix B28A2 Subaru

  1. Perform a diagnostic scan to retrieve the B28A2 code and identify the specific issue within the EyeSight system.
  2. Inspect wiring connections, sensors, and cameras for any damage or corrosion, repairing or replacing as needed.
  3. Update the software for the control module to ensure compatibility and functionality.
  4. Clear the diagnostic trouble codes and reset the system to see if the issue persists.
  5. Test drive the vehicle to verify that the EyeSight system is working correctly after repairs.

Cost to Fix B28A2 Subaru

The cost estimate for repairing the B28A2 Subaru code can vary depending on the specific issue causing the communication error within the EyeSight system. On average, the repair costs for this type of issue can range from $200 to $800, including parts and labor. However, it's important to note that diagnosis time and labor rates at auto repair shops can vary, with rates typically ranging from $80 to $150 per hour. Factors such as location, vehicle make and model, and engine type can also influence the overall repair costs. It's recommended to consult with a trusted mechanic or dealership to get an accurate estimate based on the specific circumstances of the vehicle.

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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 B28A2 Subaru Code

1. What does OBDII code B28A2 on a Subaru EyeSight system indicate?

This code signifies a communication error within the EyeSight system, affecting its functionality.

2. What are the common symptoms of OBDII code B28A2 in a Subaru?

Symptoms may include malfunctioning adaptive cruise control, lane-keeping assist issues, and sporadic warnings on the dashboard.

3. What are the potential causes of OBDII code B28A2 in a Subaru EyeSight system?

Possible causes include faulty sensors, damaged wiring, software glitches, or issues with the EyeSight control module.

4. How can I diagnose OBDII code B28A2 in my Subaru EyeSight system?

Diagnosis typically involves using a professional OBDII scanner to retrieve the specific error code and conducting a detailed inspection of the EyeSight components.

5. Can I repair OBDII code B28A2 in my Subaru EyeSight system at home?

While basic troubleshooting like checking connections and fuses is possible, complex repairs may require specialized tools and expertise from a qualified technician.

6. Is it safe to drive my Subaru with OBDII code B28A2 present in the EyeSight system?

It is not recommended to drive the vehicle with this error code active, as it can compromise the proper functioning of crucial safety features.

7. How much does it typically cost to repair OBDII code B28A2 in a Subaru EyeSight system?

Repair costs can vary depending on the root cause of the issue, but expect expenses for parts and labor, which may range from a few hundred to over a thousand dollars.

8. Can a software update fix OBDII code B28A2 in my Subaru EyeSight system?

In some cases, a software update provided by the manufacturer can rectify communication errors and resolve the B28A2 code without the need for extensive repairs.

9. How often does OBDII code B28A2 reoccur in Subaru EyeSight systems after repair?

If the root cause is effectively addressed during repairs, the code should not reoccur frequently; however, periodic maintenance and system checks are advisable to prevent future issues.

10. Are there any preventive measures to avoid encountering OBDII code B28A2 in a Subaru EyeSight system?

Regularly inspecting the EyeSight components, ensuring proper maintenance of the vehicle's electrical system, and promptly addressing any related warning signs can help prevent this error code.

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