B1579 Scion 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 Scion 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 Scion Description
What are the Possible Causes of the DTC B1579 Scion?
- 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 Scion?
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 Scion 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 Scion code?
Need more information on how to fix the B1579 Scion code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1579 Scion code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B1579 Scion Code
1. What does the OBDII code B1579 mean on a Scion?
The code B1579 indicates that the voice recognition microphone in the vehicle is disconnected or not functioning properly.
2. What are the symptoms of a B1579 code in a Scion?
Common symptoms include the inability to use voice commands, no response from the voice recognition system, or error messages related to the microphone.
3. What causes the B1579 code to appear?
The most common causes are a loose or disconnected microphone wire, a faulty microphone, or an issue with the vehicle’s audio or communication system.
4. Can I still drive my Scion with a B1579 code?
Yes, the B1579 code does not affect the drivability of the vehicle, but it will disable the voice recognition feature.
5. How can I fix the B1579 code on my Scion?
Inspect the microphone connection and wiring for damage or disconnection. Reconnect or replace the microphone if necessary.
6. Where is the voice recognition microphone located in a Scion?
The microphone is typically located near the overhead console or integrated into the headliner above the driver’s seat.
7. Can a software issue trigger the B1579 code?
Yes, a glitch in the vehicle’s audio or communication system software can sometimes cause the code to appear. Updating or resetting the system may help.
8. How much does it cost to repair a B1579 code in a Scion?
Repair costs will vary but typically range from $50 to $200, depending on whether the microphone or wiring needs replacement.
9. Can I reset the B1579 code without repairs?
You can clear the code using an OBDII scanner, but if the root issue isn’t resolved, the code will likely return.
10. Do I need a professional to fix the B1579 code?
If you’re comfortable checking connections and replacing the microphone, you can attempt the repair yourself. However, a professional may be needed for extensive wiring or system diagnostics.
Discuss the causes and fixes for B1579 Scion OBDII Code
Code B1579 Scion comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
