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DTC B1549-13: Voice Recognition Microphone2 Circuit Open [10/2022 - ]: Description

The telephone microphone assembly RH is connected to the radio and display receiver assembly via voice recognition microphone 2 signal detection line.

This DTC is stored when the radio and display receiver assembly detects disconnection of telephone microphone assembly RH.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1549-13 Voice Recognition Microphone2 Circuit Open Voice recognition microphone 2 terminal (SNS2) disconnected
(2 trip detection logic)
  • Telephone microphone assembly RH
  • Radio and display receiver assembly
  • Harness or connector