B1579 Toyota 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 Toyota 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.
Code B1579 Toyota Description
What are the Possible Causes of the DTC B1579 Toyota?
- 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 Toyota?
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 Toyota 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 Toyota code?
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Need Help with the Code?
Get the B1579 Toyota code diagnosed by a professional: Find a repair shop in your area
Information for Specific Toyota Models
- B1579 2013 Toyota RAV4 — Voice Recognition Microphone Disconnected
- B1579 2014 Toyota RAV4 — Voice Recognition Microphone Disconnected
- B1579 2015 Toyota RAV4 — Voice Recognition Microphone Disconnected
- B1579 2016 Toyota RAV4 — Voice Recognition Microphone Disconnected
- B1579 2017 Toyota RAV4 — Voice Recognition Microphone Disconnected
- B1579 2018 Toyota RAV4 — Voice Recognition Microphone Disconnected
Frequently Asked Questions about B1579 Toyota Code
1. What are the common symptoms of OBDII code B1579 Toyota (Voice Recognition Microphone Disconnected)?
The common symptoms include loss of voice recognition functionality, inability to use hands-free calling, and error messages related to the microphone.
2. What can cause the OBDII code B1579 Toyota to trigger?
The code B1579 Toyota is typically triggered when the voice recognition microphone is disconnected or malfunctioning.
3. How can I diagnose the issue causing the OBDII code B1579 Toyota?
To diagnose the issue, check the connection of the voice recognition microphone, inspect for any physical damage, and test the microphone's functionality.
4. What are some repair tips for fixing the OBDII code B1579 Toyota?
Repair tips include ensuring the microphone is properly connected, replacing the microphone if damaged, and resetting the vehicle's audio system.
5. Can I fix the OBDII code B1579 Toyota issue on my own?
If you are comfortable with basic automotive repairs and have the necessary tools, you may be able to fix the issue on your own by checking the microphone's connection and condition.
6. Is it safe to continue driving with the OBDII code B1579 Toyota present?
While the code B1579 Toyota is not a critical issue for vehicle operation, it is recommended to address it to restore voice recognition functionality and hands-free calling features.
7. Will resetting the vehicle's audio system help clear the OBDII code B1579 Toyota?
Resetting the audio system may help clear the code temporarily, but if the underlying issue with the voice recognition microphone is not addressed, the code is likely to reappear.
8. Can extreme temperatures or moisture affect the voice recognition microphone and trigger the OBDII code B1579 Toyota?
Yes, extreme temperatures or moisture can potentially damage the voice recognition microphone, leading to the triggering of the OBDII code B1579 Toyota.
9. How much does it typically cost to replace a malfunctioning voice recognition microphone in a Toyota vehicle?
The cost of replacing a malfunctioning voice recognition microphone can vary depending on the specific model of the vehicle and the labor charges at the repair shop. It is recommended to obtain a few quotes from different shops for comparison.
10. Is the OBDII code B1579 Toyota a common issue in Toyota vehicles?
While not extremely common, the OBDII code B1579 Toyota related to the voice recognition microphone can occur in Toyota vehicles, especially in older models or those exposed to harsh environmental conditions.
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