AutoCodes – Generic – B15B7

B15B7 Code - Bluetooth Module Malfunction

Quick Answer

The Diagnostic Trouble Code (DTC) is stored when a malfunction occurs in the Radio and Display Receiver Assembly (or Navigation Receiver Assembly). Common causes include Faulty Radio and Display Receiver Assembly (or Navigation Receiver Assembly), Radio and Display Receiver Assembly harness is open or shorted, Radio and Display Receiver Assembly 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: B15B7 indicates Bluetooth Module Malfunction.
Common causes: Common causes include Faulty Radio and Display Receiver Assembly (or Navigation Receiver Assembly), Radio and Display Receiver Assembly harness is open or shorted, Radio and Display Receiver Assembly 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 4,605

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 Mar 25, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B15B7 Description

The Diagnostic Trouble Code (DTC) is stored when a malfunction occurs in the Radio and Display Receiver Assembly (or Navigation Receiver Assembly).

OBDII Code B15B7 - Bluetooth Module Malfunction - AutoCodes.com — B15B7 Code - Bluetooth Module Malfunction

What does this mean?

What are the Possible Causes of the DTC B15B7?

Faulty Radio and Display Receiver Assembly (or Navigation Receiver Assembly)
Radio and Display Receiver Assembly harness is open or shorted
Radio and Display Receiver Assembly circuit poor electrical connection

How to Fix the DTC B15B7?

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 B15B7 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.

Need more information about the B15B7 code?

Need more information on how to fix the B15B7 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B15B7 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B15B7 Lexus — Bluetooth Module Malfunction
B15B7 Scion — Bluetooth Module Malfunction
B15B7 Toyota — Bluetooth Module Malfunction

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 B15B7 Code

1. What are the common symptoms of OBDII code B15B7 (Bluetooth Module Malfunction)?

- Common symptoms include issues with connecting to the vehicle's Bluetooth system, intermittent connection problems, and error messages related to the Bluetooth module.

2. What are the possible causes of OBDII code B15B7?

- The code B15B7 is typically triggered by a malfunction in the vehicle's Bluetooth module. This can be caused by wiring issues, a faulty module, or software glitches.

3. How can I diagnose the Bluetooth module malfunction causing OBDII code B15B7?

- A diagnostic scan tool can be used to read the specific error code B15B7. Additionally, checking the wiring connections to the Bluetooth module and ensuring that the module has power can help diagnose the issue.

4. Can I still drive my vehicle with OBDII code B15B7 present?

- While it is usually safe to drive with this code present, you may experience issues with the Bluetooth system in the vehicle, such as difficulty connecting your phone for calls or music.

5. How do I repair OBDII code B15B7 (Bluetooth Module Malfunction)?

- Repairing the code B15B7 involves troubleshooting the Bluetooth module, checking the wiring connections, and potentially replacing the faulty module with a new one.

6. Is it possible to reset OBDII code B15B7 without repairing the Bluetooth module?

- Resetting the code without addressing the underlying issue will likely result in the code reappearing. It is recommended to diagnose and repair the Bluetooth module malfunction to resolve the problem.

7. Are there any DIY tips for addressing OBDII code B15B7?

- DIY enthusiasts can start by checking the wiring connections to the Bluetooth module for any visible damage or loose connections. However, for more complex issues, it is recommended to seek professional help.

8. Can a software update fix OBDII code B15B7 related to the Bluetooth module?

- In some cases, a software update provided by the vehicle manufacturer may resolve issues related to the Bluetooth module malfunction. It is worth checking with the manufacturer for any available updates.

9. How long does it typically take to repair OBDII code B15B7?

- The repair time for OBDII code B15B7 can vary depending on the exact cause of the Bluetooth module malfunction. Simple fixes like checking connections may take less time, while replacing a faulty module can be more time-consuming.

10. Will OBDII code B15B7 cause any other problems in my vehicle?

- While the primary issue related to OBDII code B15B7 is typically with the Bluetooth module, prolonged neglect of the problem can potentially lead to draining the vehicle's battery due to constant attempts to connect to the module.