DTC B1572-13: Microphone Circuit Open [09/2019 - ]: Description

This DTC is stored when the DCM (telematics transceiver) detects a malfunction in the telephone microphone assembly circuit.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B1572-13	Microphone Circuit Open	Current at terminal MCVD is lower than the malfunction threshold for 10 seconds or more while the engine switch is on (IG)	DCM (telematics transceiver) Roof console box sub-assembly (manual (SOS) switch) Telephone microphone assembly Harness or connector