DTC B1549-13: Voice Recognition Microphone2 Circuit Open [09/2022 - ]: Description
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 350, 2024 Lexus ES 300h, 2024 Lexus ES 250, 2023 Lexus ES 350, and 2023 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
The telephone microphone assembly RH is connected to the radio receiver assembly via voice recognition microphone 2 signal detection line.
This DTC is stored when the radio receiver assembly detects disconnection of telephone microphone assembly RH.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from | Priority |
|---|---|---|---|---|---|
| B1549-13 | Voice Recognition Microphone2 Circuit Open | Voice recognition microphone 2 terminal (SNS2) disconnected (2 trip detection logic) |
|
Navigation System | A |