B28A2 Code - EyeSight Communication
Quick Answer
The B28A2 diagnostic trouble code refers to an issue with the EyeSight communication system in a vehicle. Common causes include Faulty sensors within the EyeSight system, Wiring issues affecting communication between components, Software glitches or bugs in 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 indicates EyeSight Communication.
- Common causes
- Common causes include Faulty sensors within the EyeSight system, Wiring issues affecting communication between components, Software glitches or bugs in 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.
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Code B28A2 Description
The B28A2 diagnostic trouble code refers to an issue with the EyeSight communication system in a vehicle. EyeSight is a driver-assist technology developed by Subaru that uses cameras and sensors to provide features such as adaptive cruise control, lane departure warning, and pre-collision braking. When this code is triggered, it indicates a communication problem within the EyeSight system, which can affect the functionality of these safety features.
Common Causes of B28A2
- Faulty sensors within the EyeSight system
- Wiring issues affecting communication between components
- Software glitches or bugs in the control module
- Water damage or corrosion in the system components
- Physical damage to the cameras or sensors
Symptoms of B28A2
- EyeSight warning light illuminated on the dashboard
- Loss of adaptive cruise control functionality
- Lane departure warning system not working
- Pre-collision braking system not engaging
- Inconsistent or erratic behavior of the EyeSight features
How to Fix B28A2
- Begin by conducting a thorough diagnostic scan to confirm the B28A2 code and pinpoint the exact cause of the communication issue.
- Inspect the sensors, wiring, and connectors in the EyeSight system for any signs of damage or corrosion.
- Check for software updates or reprogramming options for the control module to address any software-related issues.
- Replace any faulty sensors or components within the EyeSight system as needed.
- Clear the diagnostic trouble code and test the functionality of the EyeSight system to ensure the issue has been resolved.
Cost to Fix B28A2
The cost of repairing the EyeSight communication issue can vary depending on the specific cause of the problem and the parts needed for the repair. In general, the cost of replacing sensors or components within the EyeSight system can range from $200 to $800, not including labor costs. The total repair bill, including parts and labor, may fall in the range of $300 to $1200. It's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle type.
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Code B28A2 Information for Specific Makes
- B28A2 Subaru — EyeSight Communication
Frequently Asked Questions about B28A2 Code
1. What does the OBDII code B28A2 mean?
The B28A2 code refers to an issue with the EyeSight Communication system, which indicates a problem with the communication between the EyeSight components and the vehicle's control modules.
2. What are the symptoms of the B28A2 code?
Symptoms may include the EyeSight system being disabled, malfunction warnings on the dashboard, cruise control not functioning, or reduced driver assistance features.
3. What causes the B28A2 code to appear?
Common causes include faulty wiring, poor connections in the EyeSight system, a malfunctioning camera module, or software issues within the system.
4. Can the B28A2 code be triggered by a dead battery?
Yes, a dead or weak battery can disrupt the EyeSight system’s communication and trigger the B28A2 code.
5. How can I diagnose the B28A2 code?
Start by scanning the vehicle with an OBDII tool, inspecting the EyeSight wiring harness and connections, and checking the functionality of the camera module.
6. Is it safe to drive with the B28A2 code active?
While the vehicle may still be drivable, safety features like adaptive cruise control and pre-collision braking may not function, so caution is advised.
7. How do I fix the B28A2 code?
Repairs may include reconnecting loose wires, replacing a faulty camera module, or updating the EyeSight system software at a dealership.
8. Can the B28A2 code clear itself?
In some cases, the code may clear itself after resolving a temporary communication issue, such as a weak battery. However, persistent issues require diagnosis and repair.
9. Do I need to recalibrate the EyeSight system after fixing the B28A2 code?
Yes, recalibration of the EyeSight system may be necessary after repairs to ensure proper functionality.
10. Can aftermarket accessories cause the B28A2 code?
Yes, aftermarket accessories like dash cams or radar detectors can interfere with the EyeSight system and cause communication errors.
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