AutoCodes – Toyota – B1579 2013 Toyota RAV4

B1579 2013 Toyota RAV4 Code - Voice Recognition Microphone Disconnected

Quick Answer

The Radio and Display Receiver Assembly (or Navigation Receiver Assembly) and Telephone Microphone Assembly are connected to each other using the microphone connection detection signal lines. Common causes include Faulty Map Light Assembly, Faulty Telephone Microphone Assembly, Telephone Microphone Assembly harness is open or shorted. 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
B1579 2013 Toyota RAV4 indicates Voice Recognition Microphone Disconnected.
Common causes
Common causes include Faulty Map Light Assembly, Faulty Telephone Microphone Assembly, Telephone Microphone Assembly harness is open or shorted.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 521
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 25, 2024
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Code B1579 2013 Toyota RAV4 Description

The Radio and Display Receiver Assembly (or Navigation Receiver Assembly) and Telephone Microphone Assembly are connected to each other using the microphone connection detection signal lines. This Diagnostic Trouble Code (DTC) is stored when a microphone connection detection signal line is disconnected.
OBDII Code B1579 2013 Toyota RAV4 - Voice Recognition Microphone Disconnected - AutoCodes.com
B1579 2013 Toyota RAV4 Code - Voice Recognition Microphone Disconnected

What are the Possible Causes of the DTC B1579 2013 Toyota RAV4?

  • Faulty Map Light Assembly
  • Faulty Telephone Microphone Assembly
  • Telephone Microphone Assembly harness is open or shorted
  • Telephone Microphone Assembly circuit poor electrical connection
  • Faulty Radio and Display Receiver Assembly (or Navigation Receiver Assembly)

How to Fix the DTC B1579 2013 Toyota RAV4?

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 B1579 2013 Toyota RAV4 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 B1579 2013 Toyota RAV4 code?

Need more information on how to fix the B1579 2013 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1579 2013 Toyota RAV4 code diagnosed by a professional: Find a repair shop in your area

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 B1579 2013 Toyota RAV4 Code

1. What are the common symptoms of OBDII code B1579 in a 2013 Toyota RAV4?

- The common symptom associated with code B1579 is a message indicating that the voice recognition microphone is disconnected.

2. What could cause the Voice Recognition Microphone Disconnected code B1579 in a 2013 Toyota RAV4?

- The B1579 code in a 2013 Toyota RAV4 is typically caused by a malfunction in the voice recognition microphone or its wiring.

3. How can I troubleshoot the Voice Recognition Microphone Disconnected issue in my 2013 Toyota RAV4?

- Start by checking the wiring and connectors of the voice recognition microphone for any damage or loose connections. If everything looks good, consider replacing the microphone itself.

4. Can a DIY enthusiast repair the Voice Recognition Microphone Disconnected code B1579 in a 2013 Toyota RAV4?

- While some enthusiasts may attempt to repair the issue themselves by checking the connections and replacing the microphone, it is recommended to have a professional diagnose and repair the problem to ensure proper functionality.

5. Is it safe to continue driving my 2013 Toyota RAV4 with the B1579 code indicating Voice Recognition Microphone Disconnected?

- It is generally safe to drive the vehicle with this code, as it mainly affects the voice recognition feature. However, for convenience and usability, it is best to address the issue promptly.

6. Are there any temporary fixes for the Voice Recognition Microphone Disconnected code B1579 in a 2013 Toyota RAV4?

- Temporary fixes such as checking and securing the connections or resetting the system may help, but for a lasting solution, it's advisable to address the root cause of the issue.

7. How much does it typically cost to repair the Voice Recognition Microphone Disconnected issue in a 2013 Toyota RAV4?

- The cost of repairing the B1579 code can vary depending on the extent of the issue and whether you choose to replace the microphone yourself or have a professional technician handle the repair. It's best to get a quote from a trusted mechanic.

8. Will disconnecting the battery reset the Voice Recognition Microphone Disconnected code B1579 in a 2013 Toyota RAV4?

- Disconnecting the battery may reset the system temporarily, but if the underlying issue causing the B1579 code persists, the problem is likely to return. It's best to address the root cause of the problem.

9. Can extreme weather conditions cause the Voice Recognition Microphone Disconnected code B1579 in a 2013 Toyota RAV4?

- While extreme weather conditions could potentially affect the performance of the microphone or its connections, the B1579 code is more commonly associated with internal malfunctions rather than external factors.

10. How can I prevent the Voice Recognition Microphone Disconnected issue from recurring in my 2013 Toyota RAV4?

- To prevent the B1579 code from returning, ensure that the voice recognition microphone and its connections are regularly inspected for damage or wear. Additionally, following proper maintenance schedules can help prevent similar issues in the future.

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