AutoCodes – Subaru – B28A1 Subaru

B28A1 Subaru Code - EyeSight Communication

Quick Answer

The Diagnostic Trouble Code (DTC) is set when the Engine Control Module (ECM) detects the malfunction of a stereo camera, or when the stereo camera or ECM is assembled incorrectly. Common causes include Faulty Stereo Camera, Stereo Camera harness is open or shorted, Stereo Camera 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: B28A1 Subaru indicates EyeSight Communication.
Common causes: Common causes include Faulty Stereo Camera, Stereo Camera harness is open or shorted, Stereo Camera 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 1,920

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 Feb 19, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B28A1 Subaru Description

The Diagnostic Trouble Code (DTC) is set when the Engine Control Module (ECM) detects the malfunction of a stereo camera, or when the stereo camera or ECM is assembled incorrectly.

OBDII Code B28A1 Subaru - EyeSight Communication - AutoCodes.com — B28A1 Subaru Code - EyeSight Communication

What does this mean?

What are the Possible Causes of the DTC B28A1 Subaru?

Faulty Stereo Camera
Stereo Camera harness is open or shorted
Stereo Camera circuit poor electrical connection

How to Fix the DTC B28A1 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 B28A1 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.

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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 B28A1 Subaru Code

1. What does OBDII code B28A1 in a Subaru indicate?

This code refers to a communication error with the EyeSight system in the vehicle.

2. What are common symptoms of OBDII code B28A1 in a Subaru?

Common symptoms include the EyeSight warning light coming on, loss of EyeSight system functionality, and potential issues with adaptive cruise control.

3. What can cause the OBDII code B28A1 to trigger in a Subaru?

The code may be triggered by wiring issues, a faulty camera module, software glitches, or a malfunction in the EyeSight system components.

4. How can I diagnose the OBDII code B28A1 in my Subaru?

Diagnosis typically involves using a diagnostic scanner to retrieve the code, inspecting the EyeSight system components for any visible damage, and conducting a communication system check.

5. Can I continue to drive my Subaru with the OBDII code B28A1 present?

It is not recommended to drive the vehicle with this code active as it may affect the proper functioning of the EyeSight safety features.

6. How can I repair the OBDII code B28A1 in my Subaru?

Repair options may include checking and repairing wiring connections, replacing a faulty camera module, updating software, or recalibrating the EyeSight system.

7. Is it possible to reset the OBDII code B28A1 in a Subaru by clearing the fault codes?

Clearing the fault codes may temporarily remove the code, but if the underlying issue is not addressed, the code is likely to reappear.

8. Can a DIY enthusiast fix the OBDII code B28A1 issue in a Subaru?

While some simple checks like inspecting wiring connections can be done by a DIY enthusiast, diagnosing and repairing complex EyeSight system issues may require professional expertise.

9. How much does it typically cost to repair OBDII code B28A1 in a Subaru?

The repair costs can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, especially if components need to be replaced.

10. How often does the OBDII code B28A1 occur in Subaru vehicles with EyeSight systems?

While not extremely common, the code can occur due to various factors, and prompt attention to the issue is crucial to maintaining the safety features of the EyeSight system.