B1579 2018 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 2018 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.
Code B1579 2018 Toyota RAV4 Description
What are the Possible Causes of the DTC B1579 2018 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 2018 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 2018 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 2018 Toyota RAV4 code?
Need more information on how to fix the B1579 2018 Toyota RAV4 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1579 2018 Toyota RAV4 code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B1579 2018 Toyota RAV4 Code
1. What are the common symptoms of OBDII code B1579 in a 2018 Toyota RAV4?
- Common symptoms include the voice recognition system not responding to commands, no sound input during voice calls, and the inability to use voice-controlled features.
2. What could cause the Voice Recognition Microphone Disconnected code B1579 in a 2018 Toyota RAV4?
- Possible causes include a disconnected or faulty voice recognition microphone, damaged wiring or connectors related to the microphone, or a malfunction in the audio system.
3. How can I diagnose the issue related to OBDII code B1579 in my 2018 Toyota RAV4?
- Diagnose the problem by visually inspecting the microphone and its connections, checking for any visible damage, testing the microphone for functionality, and using a diagnostic scanner to read the specific code.
4. Can I repair the Voice Recognition Microphone Disconnected issue in my 2018 Toyota RAV4 myself?
- Depending on the cause, you may be able to repair the issue yourself by reconnecting or replacing the microphone, repairing damaged wiring, or addressing any other related issues. However, professional assistance may be required for more complex repairs.
5. Are there any temporary solutions to address the B1579 code in my 2018 Toyota RAV4?
- A temporary solution could involve resetting the vehicle's system by disconnecting the battery for a few minutes to see if it clears the code. However, this may not permanently resolve the underlying issue.
6. Is it safe to continue driving my 2018 Toyota RAV4 with the Voice Recognition Microphone Disconnected code B1579?
- While the vehicle may still be operable, it is recommended to address the issue promptly to ensure the proper functioning of the voice recognition system and other related features.
7. How much does it typically cost to repair the Voice Recognition Microphone Disconnected issue in a 2018 Toyota RAV4?
- The cost of repairs can vary depending on the specific cause of the issue and whether professional assistance is needed. Costs may include parts, labor, and diagnostic fees.
8. Can the Voice Recognition Microphone Disconnected code B1579 in a 2018 Toyota RAV4 trigger other problems in the vehicle?
- While the code itself may not directly cause other issues, it can impact the functionality of the voice recognition system and related features, potentially affecting the overall user experience.
9. Are there any recalls or technical service bulletins related to OBDII code B1579 in the 2018 Toyota RAV4?
- Check with the manufacturer or authorized service centers for any recalls or technical service bulletins related to the Voice Recognition Microphone Disconnected code in the 2018 Toyota RAV4 to ensure you have the most up-to-date information.
10. How long does it typically take to repair the Voice Recognition Microphone Disconnected issue in a 2018 Toyota RAV4?
- Repair times can vary based on the specific cause of the problem, the availability of parts, and the complexity of the repair. It's advisable to consult with a professional technician for a more accurate estimate of the repair duration.
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