Dtc B15B8 Harddisk Malfunction
This DTC is stored when the hard disc which is built into the multi-media module receiver assembly has an initialization malfunction or read/write errors occur more than a specified number of times.
When a UART communication error occurs between the multi-media module receiver assembly and multi-display assembly, these DTCs will be stored.
This DTC is stored when a microphone connection detection signal line is disconnected.