Audio System DTC Troubleshooting: 1102
DTC 1102: USB Diag
NOTE:
Check the vehicle 12 volt 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.
Check the connectors for poor connections or loose terminals.
1.
Problem verification:

Problem verification
?1.
Clear the hard error codes.

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

?3.
Wait for at least 6 seconds.

?4.
Connect the USB device to the USB port A or B.

?5.
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.
Clear the hard error codes.

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

?3.
Wait for at least 6 seconds.

?4.
Disconnect the USB device, then connect a known-good USB device to the USB port A or B.

?5.
Check for hard error codes.

Is DTC 1102 indicated?

     
YES
     
     
     
     
NO
     
     
     
Original USB device is faulty.?