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DTC B1579: Voice Recognition Microphone Disconnected [10/2014 - 10/2015]: Description

The navigation ECU sub-assembly and inner rear view mirror assembly (amplifier microphone assembly) are connected to each other using the microphone connection detection signal lines.

This DTC is stored when a microphone connection detection signal line is disconnected.

DTC Code DTC Detection Condition Trouble Area
B1579 Microphone signal is lost
  • Inner rear view mirror assembly (amplifier microphone assembly)
  • DCM (telematics transceiver)*
  • Navigation ECU sub-assembly
  • Harness or connector
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