B1572 Toyota Code - Telephone Microphone Error
Quick Answer
This Diagnostic Trouble Code (DTC) is set when the Data Communication Module (DCM) (Telematics Transceiver) detects a malfunction in the telephone microphone assembly circuit. Common causes include Faulty Telephone Microphone Assembly, Telephone Microphone Assembly harness is open or shorted, Telephone Microphone Assembly circuit poor electrical connection. 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
- B1572 Toyota indicates Telephone Microphone Error.
- Common causes
- Common causes include Faulty Telephone Microphone Assembly, Telephone Microphone Assembly harness is open or shorted, Telephone Microphone Assembly circuit poor electrical connection.
- 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 B1572 Toyota Description
What are the Possible Causes of the DTC B1572 Toyota?
- Faulty Telephone Microphone Assembly
- Telephone Microphone Assembly harness is open or shorted
- Telephone Microphone Assembly circuit poor electrical connection
- Faulty Map Light Assembly
- Faulty Data Communication Module (DCM) (Telematics Transceiver)
How to Fix the DTC B1572 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 B1572 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 B1572 Toyota code?
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Frequently Asked Questions about B1572 Toyota Code
1. What are the common symptoms of OBDII code B1572 in a Toyota related to the Telephone Microphone Error?
The common symptoms include the phone microphone not working properly, no sound during phone calls, or difficulty in voice commands recognition.
2. What are the possible causes of OBDII code B1572 in a Toyota indicating a Telephone Microphone Error?
The code B1572 can be triggered by a faulty telephone microphone, wiring issues, or a malfunction in the audio system components.
3. How can I diagnose the OBDII code B1572 in my Toyota if I suspect a Telephone Microphone Error?
You can diagnose the code B1572 by inspecting the telephone microphone connections, testing the microphone functionality, and checking for any damaged wiring in the system.
4. Are there any DIY repair tips for addressing the OBDII code B1572 related to the Telephone Microphone Error in a Toyota?
DIY repair tips include checking and cleaning the microphone connections, replacing a faulty microphone, and ensuring all wiring is properly connected and not damaged.
5. Can the OBDII code B1572 indicating a Telephone Microphone Error in a Toyota be reset without fixing the underlying issue?
Resetting the code without addressing the root cause, such as a faulty microphone, may temporarily clear the code but will not resolve the underlying problem leading to recurrence.
6. Is it safe to continue driving my Toyota with the OBDII code B1572 related to the Telephone Microphone Error?
It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure proper functionality of the telephone microphone and audio system.
7. How much does it typically cost to repair the OBDII code B1572 in a Toyota due to a Telephone Microphone Error?
The cost of repairing the code B1572 can vary depending on the specific issue, but it may involve expenses for parts replacement, labor, and diagnostic services.
8. Can a software update fix the OBDII code B1572 related to the Telephone Microphone Error in my Toyota?
In some cases, a software update from the manufacturer may address issues related to the telephone microphone error, so it is worth checking with a Toyota dealership for available updates.
9. Are there any recalls or technical service bulletins related to the OBDII code B1572 Telephone Microphone Error in Toyota vehicles?
It is advisable to check with Toyota or the National Highway Traffic Safety Administration (NHTSA) for any recalls or technical service bulletins related to the OBDII code B1572 and the Telephone Microphone Error in specific Toyota models.
10. How can I prevent the OBDII code B1572 Telephone Microphone Error from occurring in my Toyota in the future?
Regularly inspecting and maintaining the telephone microphone, audio system components, and wiring connections can help prevent issues leading to the OBDII code B1572 and ensure proper functionality of the system.
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