DTC P0401 Lexus

Description

The Radio controls and monitors both the microphone 1 input circuit (+) and the microphone 1 input circuit (-) for a concern. Also, the Radio controls and monitors both the microphone 2 input circuit (+) and the microphone 2 input circuit (-) for a concern. The Radio communicates over the CAN-Interior Bus. The microphone is located in the rearview mirror.