AutoCodes – Toyota – B1579 2015 Toyota RAV4

B1579 2015 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 2015 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.

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Code Popularity 460

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 B1579 2015 Toyota RAV4 Description

OBDII Code B1579 2015 Toyota RAV4 - Voice Recognition Microphone Disconnected - AutoCodes.com — B1579 2015 Toyota RAV4 Code - Voice Recognition Microphone Disconnected

What does this mean?

What are the Possible Causes of the DTC B1579 2015 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 2015 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 2015 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 2015 Toyota RAV4 code?

Need more information on how to fix the B1579 2015 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1579 2015 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 2015 Toyota RAV4 Code

1. What does the OBDII code B1579 in a 2015 Toyota RAV4 indicate?

The code B1579 on a 2015 Toyota RAV4 specifically points to a "Voice Recognition Microphone Disconnected" issue.

2. What are the common symptoms associated with OBDII code B1579 in a 2015 Toyota RAV4?

Common symptoms of the B1579 code in a 2015 Toyota RAV4 include the voice recognition system not functioning properly or responding to commands.

3. What are the possible causes of the OBDII code B1579 in a 2015 Toyota RAV4?

The B1579 code in a 2015 Toyota RAV4 is usually triggered by a disconnected or malfunctioning voice recognition microphone.

4. How can I diagnose the Voice Recognition Microphone Disconnected issue in my 2015 Toyota RAV4?

To diagnose the B1579 code in a 2015 Toyota RAV4, you can start by checking the connections of the voice recognition microphone to ensure it is securely plugged in.

5. Can I repair the Voice Recognition Microphone Disconnected problem in my 2015 Toyota RAV4 myself?

If the B1579 code is triggered due to a disconnected microphone, you may attempt to reconnect it yourself if you are comfortable working with car electronics.

6. Are there any precautions to take when attempting to repair the B1579 code in a 2015 Toyota RAV4?

When working on the voice recognition microphone in a 2015 Toyota RAV4, it's important to disconnect the car's battery to avoid any electrical mishaps.

7. Is it necessary to replace the voice recognition microphone to resolve the B1579 code in a 2015 Toyota RAV4?

In some cases, simply reattaching or securing the existing voice recognition microphone properly can resolve the B1579 code without the need for a replacement.

8. Can a faulty voice recognition microphone affect other systems in a 2015 Toyota RAV4?

Yes, a malfunctioning voice recognition microphone can impact the overall functionality of the voice command system in a 2015 Toyota RAV4.

9. How do I clear the OBDII code B1579 from my 2015 Toyota RAV4's system after fixing the issue?

After resolving the Voice Recognition Microphone Disconnected problem, you can clear the B1579 code using an OBDII scanner or by disconnecting the car's battery for a few minutes.

10. If the issue persists after reconnecting the voice recognition microphone in my 2015 Toyota RAV4, what should I do next?

If the B1579 code continues to appear even after addressing the microphone connection, it is advisable to seek professional help to diagnose any underlying issues.