Possible Causes
| Possible Causes |
|---|
| FUSED B+ CIRCUIT FUSE OPEN |
| FUSED B+ CIRCUIT OPEN |
| FUSED B+ CIRCUIT SHORTED TO GROUND |
| GROUND CIRCUIT |
| DAMAGED OR UNSUPPORTED USB DEVICE |
| DAMAGED OR UNSUPPORTED USB CABLE |
| MEDIA PORT |
| RADIO |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to: PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .