Audio System DTC Troubleshooting: 1102
DTC 1102: USB Diag
NOTE:
Check the vehicle battery condition first.
This audio DTC sets when a problem is detected with the USB device that is connected to the USB port.
Before you troubleshoot, make sure to follow the General Troubleshooting Information.
1.
Problem verification:

Problem verification
?1.
Clear the hard error codes.

?2.
Turn the vehicle to the OFF (LOCK) mode then the ON mode.

?3.
Connect the USB device to the USB port A or USB port B.

?4.
Check for hard error codes.

Is DTC 1102 indicated?

     
YES
     
     
     
The failure is duplicated, go to step 2.
     
NO
     
     
     
Intermittent failure, the system is OK at this time.?
2.
Audio unit check:

Audio unit check
?1.
Disconnect the USB device.

?2.
Clear the hard error codes.

?3.
Turn the vehicle to the OFF (LOCK) mode then the ON mode.

?4.
Connect a known-good USB device to the USB port A or USB port B.

?5.
Check for hard error codes.

Is DTC 1102 indicated?

     
YES
     
     
     
     
NO
     
     
     
Original USB device is faulty.?