Engine-CodesToyota – B1579 2017 Toyota RAV4

B1579 2017 Toyota RAV4 Code - Voice Recognition Microphone Disconnected

Quick Answer

The B1579 diagnostic trouble code (DTC) for a 2017 Toyota RAV4 indicates that the voice recognition microphone has been disconnected or is not functioning properly. Common causes include Loose or disconnected wiring connecting the microphone, Faulty microphone component, Water damage to the microphone. 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 2017 Toyota RAV4 indicates Voice Recognition Microphone Disconnected.
Common causes
Common causes include Loose or disconnected wiring connecting the microphone, Faulty microphone component, Water damage to the microphone.
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.
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code B1579 2017 Toyota RAV4 Description

The B1579 diagnostic trouble code (DTC) for a 2017 Toyota RAV4 indicates that the voice recognition microphone has been disconnected or is not functioning properly. The voice recognition system in modern vehicles allows drivers to control various functions using voice commands, such as making phone calls, adjusting the climate control, or selecting music. The microphone plays a crucial role in picking up these commands and transmitting them to the vehicle's computer system for processing.

OBDII Code B1579 2017 Toyota RAV4 - Voice Recognition Microphone Disconnected
B1579 2017 Toyota RAV4 Code - Voice Recognition Microphone Disconnected

Common Causes of B1579 2017 Toyota RAV4

  1. Loose or disconnected wiring connecting the microphone.
  2. Faulty microphone component.
  3. Water damage to the microphone.
  4. Electrical issues in the voice recognition system.
  5. Impact or physical damage to the microphone.

Symptoms of B1579 2017 Toyota RAV4

  1. Voice recognition system not responding to commands.
  2. Inaccurate responses to voice commands.
  3. Hands-free calling not working properly.
  4. Navigation system not recognizing voice inputs.
  5. Error message related to voice recognition system on the dashboard.

How to Fix B1579 2017 Toyota RAV4

  1. Begin by locating the voice recognition microphone in the vehicle, typically near the driver's seat or overhead console.
  2. Inspect the wiring connecting the microphone to the vehicle's computer system for any signs of damage or disconnection. Reconnect or repair any damaged wiring.
  3. Test the microphone for functionality by speaking commands and checking if they are recognized by the system.
  4. If the microphone is faulty, replace it with a new one compatible with the vehicle's make and model.
  5. Clear the diagnostic trouble code from the vehicle's computer system using an OBD-II scanner to reset the system and ensure the issue has been resolved.

Cost to Fix B1579 2017 Toyota RAV4

The cost of repairing a disconnected voice recognition microphone in a 2017 Toyota RAV4 can vary depending on the specific cause of the issue and the cost of parts and labor in your area. On average, the parts for a new microphone can range from $50 to $150, while labor costs can range from $80 to $150 per hour. Therefore, the total repair cost could be anywhere from $150 to $400, including diagnosis time and labor. It's recommended to consult with a professional mechanic or auto repair shop for a more accurate estimate based on your location and vehicle specifics.

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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 B1579 2017 Toyota RAV4 Code

1. What are the common symptoms of OBDII code B1579 on a 2017 Toyota RAV4?

The common symptoms of code B1579 "Voice Recognition Microphone Disconnected" may include malfunctioning voice control features, inability to use hands-free calling, and error messages related to the microphone system.

2. What could cause the OBDII code B1579 to appear on a 2017 Toyota RAV4?

The code B1579 typically indicates a fault in the voice recognition microphone system, which could be caused by a disconnected or faulty microphone, wiring issues, or a problem with the microphone control module.

3. How can I diagnose the cause of OBDII code B1579 on my 2017 Toyota RAV4?

To diagnose the cause of code B1579, you can start by checking the connections and condition of the voice recognition microphone, inspecting the wiring for any damage, and using a diagnostic tool to test the microphone system components for proper functionality.

4. Is it safe to continue driving my 2017 Toyota RAV4 with OBDII code B1579 present?

While code B1579 is related to the voice recognition system and may not affect the overall drivability of the vehicle, it is advisable to address the issue promptly to ensure the proper functioning of the microphone system and related features.

5. Can I repair OBDII code B1579 on my 2017 Toyota RAV4 myself?

Depending on your experience and access to tools, you may be able to repair code B1579 yourself by checking and reconnecting the microphone, repairing any damaged wiring, or replacing faulty components. However, if you are unsure, it is recommended to seek professional help.

6. Will resetting the OBDII system clear code B1579 on my 2017 Toyota RAV4?

Resetting the OBDII system may temporarily clear code B1579, but if the underlying issue causing the fault is not addressed, the code is likely to reappear. It is important to diagnose and fix the root cause of the problem.

7. How much does it typically cost to repair OBDII code B1579 on a 2017 Toyota RAV4?

The cost of repairing code B1579 on a 2017 Toyota RAV4 can vary depending on the specific cause of the issue. Simple fixes such as reconnecting a disconnected microphone may be less expensive, while replacing components or addressing wiring problems could cost more.

8. Can extreme temperatures or environmental factors trigger OBDII code B1579 on a 2017 Toyota RAV4?

Extreme temperatures or environmental factors may contribute to issues with the voice recognition microphone system, potentially leading to the appearance of code B1579. Ensuring the components are properly insulated and protected can help prevent such problems.

9. Are there any software updates available to address OBDII code B1579 on a 2017 Toyota RAV4?

In some cases, software updates provided by Toyota may address issues related to code B1579 by improving the functionality of the voice recognition system. Checking with your dealership or authorized service center for available updates is recommended.

10. How can I prevent OBDII code B1579 from recurring on my 2017 Toyota RAV4?

To prevent code B1579 from recurring, it is important to properly maintain the voice recognition microphone system, ensure all connections are secure, address any wiring issues promptly, and follow manufacturer recommendations for system care and usage.

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