DTC B1492-11: Microphone #1 Input Signal - Circuit short to ground: Action

NOTE: If this DTC is logged simultaneously with a cluster of DTCs including U200F-11, check symptoms for U200F-11 first, rectify the fault, clear DTCs and retest

Refer to the appropriate system wiring diagrams and check the infotainment master controller microphone 1 circuit for short circuit to ground
Refer to the appropriate system wiring diagrams and check the infotainment slave controller (where fitted) microphone 1 circuit for short circuit to ground