AutoCodes – Subaru – B2A09 Subaru

B2A09 Subaru Code - Telematics I-Call 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: B2A09 Subaru indicates Telematics I-Call 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 1,210

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 27, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2A09 Subaru Description

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

OBDII Code B2A09 Subaru - Telematics I-Call Button Circuit - AutoCodes.com — B2A09 Subaru Code - Telematics I-Call Button Circuit

What does this mean?

What are the Possible Causes of the DTC B2A09 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 B2A09 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 B2A09 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 B2A09 Subaru Code

1. What does OBDII code B2A09 for Subaru mean?

The B2A09 code indicates a problem with the Telematics I-Call Button Circuit in your Subaru vehicle.

2. What are the common symptoms of OBDII code B2A09 in a Subaru?

Common symptoms of the B2A09 code may include a malfunctioning or unresponsive telematics system, issues with the call button functionality, and warning lights on the dashboard.

3. What are the possible causes of OBDII code B2A09 in a Subaru?

Potential causes of the B2A09 code include damaged wiring or connectors in the telematics system, a faulty call button, a malfunctioning control module, or a software glitch.

4. How can I diagnose the OBDII code B2A09 in my Subaru?

Diagnosing the B2A09 code involves using an OBDII scanner to retrieve the specific fault codes, inspecting the telematics system components for damage, testing the call button functionality, and checking the wiring and connectors for any issues.

5. Can I still drive my Subaru with the OBDII code B2A09 present?

While your Subaru may still be operable with the B2A09 code, it is recommended to address the issue promptly to ensure the proper functioning of the telematics system in case of emergencies.

6. How can I repair the Telematics I-Call Button Circuit issue causing OBDII code B2A09 in my Subaru?

Repairing the B2A09 code may involve repairing or replacing damaged wiring or connectors, replacing the faulty call button, resetting the control module, or updating the software to address any glitches.

7. Is it safe to reset the OBDII code B2A09 in my Subaru on my own?

It is generally safe to reset the B2A09 code using an OBDII scanner, but it is important to diagnose and address the underlying issue causing the code to prevent it from reoccurring.

8. Can a DIY enthusiast fix the OBDII code B2A09 in a Subaru?

Depending on your skill level and knowledge of automotive repair, you may be able to address the B2A09 code yourself by following diagnostic procedures and repair guides specific to the Telematics I-Call Button Circuit in your Subaru.

9. How much does it cost to repair the Telematics I-Call Button Circuit problem causing OBDII code B2A09 in a Subaru?

The cost of repairing the B2A09 code can vary depending on the extent of the issue, the parts needed for replacement, and whether you choose to do the repair yourself or seek professional assistance from a mechanic.

10. Are there any recalls or service bulletins related to OBDII code B2A09 in Subaru vehicles?

It is advisable to check with Subaru dealership or official sources to see if there are any recalls or service bulletins related to the Telematics I-Call Button Circuit issue and OBDII code B2A09 in your specific Subaru model.