Details On DTCs

B1A38-04: (CMU) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	USB port/SD card slot hub/HDMI terminal malfunction
Detection condition	Determination conditions	The connectivity master unit (CMU) detects that USB port/SD card slot hub/HDMI terminal cannot read map information.
	Preconditions	Not applicable
	Malfunction determination period	Not applicable
Fail-safe	Not applicable
Vehicle status when DTCs are output	Not applicable
Possible cause	SD card malfunction Malfunction in wiring harness (including connector/terminal) between USB port/SD card slot hub/HDMI terminal and connectivity master unit (CMU) USB port/SD card slot hub/HDMI terminal malfunction Connectivity master unit (CMU) malfunction