AutoCodes – Subaru – B2A08 Subaru

B2A08 Subaru Code - Telematics SOS Button Circuit

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Telematics Button Circuit is not to factory specifications. Common causes include Faulty Telematics Button, Telematics Button harness is open or shorted, Telematics Button 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: B2A08 Subaru indicates Telematics SOS Button Circuit.
Common causes: Common causes include Faulty Telematics Button, Telematics Button harness is open or shorted, Telematics Button 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 2,286

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Feb 27, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2A08 Subaru Description

The Diagnostic Trouble Code (DTC) sets when the Telematics Button Circuit is not to factory specifications.

OBDII Code B2A08 Subaru - Telematics SOS Button Circuit - AutoCodes.com — B2A08 Subaru Code - Telematics SOS Button Circuit

What does this mean?

What are the Possible Causes of the DTC B2A08 Subaru?

Faulty Telematics Button
Telematics Button harness is open or shorted
Telematics Button circuit poor electrical connection
Faulty Data Communication Module (DCM)

How to Fix the DTC B2A08 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 B2A08 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 B2A08 Subaru Code

1. What are the common symptoms of OBDII code B2A08 in a Subaru related to the Telematics SOS Button Circuit?

The common symptoms include the malfunctioning of the emergency SOS button, issues with the telematics system, and a warning light on the dashboard.

2. What are the possible causes of OBDII code B2A08 in a Subaru?

Potential causes include a faulty SOS button, wiring problems in the telematics system, a damaged control module, or issues with the communication network.

3. How can I diagnose the Telematics SOS Button Circuit issue in my Subaru?

Diagnosis typically involves using an OBDII scanner to read the code, inspecting the SOS button and associated wiring, checking the control module, and testing the communication network.

4. Is it safe to continue driving my Subaru with OBDII code B2A08 present?

While the vehicle may still be operable, it's recommended to address the issue promptly to ensure the proper functioning of the telematics system in case of emergencies.

5. Can I reset OBDII code B2A08 in my Subaru myself?

Resetting the code can be done with an OBDII scanner, but it's important to first diagnose the root cause of the issue and address it to prevent the code from reoccurring.

6. How much does it typically cost to repair OBDII code B2A08 related to the Telematics SOS Button Circuit in a Subaru?

The cost of repair can vary depending on the specific cause of the issue, but it may involve replacing the SOS button, repairing wiring, or reprogramming the control module.

7. Are there any DIY tips for troubleshooting OBDII code B2A08 in my Subaru?

While some basic checks like inspecting the wiring connections and ensuring the SOS button is functioning properly can be done, more complex diagnostics and repairs are best left to professionals.

8. Will fixing OBDII code B2A08 affect the overall performance of my Subaru?

Fixing the Telematics SOS Button Circuit issue should not significantly impact the overall performance of the vehicle, but it is essential for the proper functioning of the telematics system.

9. Can extreme weather conditions contribute to triggering OBDII code B2A08 in a Subaru?

Extreme temperatures or moisture can potentially affect the electrical components related to the telematics system, leading to issues that trigger the B2A08 code.

10. How long does it typically take to repair OBDII code B2A08 in a Subaru?

The repair time can vary depending on the exact cause of the issue and the complexity of the repair needed, but it's advisable to consult with a professional technician for an accurate estimate.