What causes B1572 on a Toyota?

Failed telephone microphone assembly Open or short in the microphone circuit Loose or corroded microphone connector Damaged microphone harness Failed telematics transceiver

How do I fix B1572 on a Toyota?

Confirm the code and test a call through the system Inspect and reseat the microphone connector Test the microphone circuit for opens and shorts Check the microphone signal at the transceiver Replace the failed part only after tests fail

B1572 Telephone microphone fault

Q: What does B1572 mean on a Toyota?

B1572. Telephone microphone fault. The telematics transceiver detects a problem in the microphone circuit. Applies to Toyota, Lexus and Scion models that use this code.

Category: Body
Severity: Body Warning Light
Applies to: Toyota, Lexus and Scion models that use this code

What does B1572 mean on a Toyota?

B1572. Telephone microphone fault. The telematics transceiver detects a problem in the microphone circuit. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.

Common causes of B1572

Failed telephone microphone assembly
Open or short in the microphone circuit
Loose or corroded microphone connector
Damaged microphone harness
Failed telematics transceiver

How to fix B1572

Confirm the code and test a call through the system
Inspect and reseat the microphone connector
Test the microphone circuit for opens and shorts
Check the microphone signal at the transceiver
Replace the failed part only after tests fail