I agree. It's very annoying. I held off purchasing a couple of different 2009's since I'd heard about the USB being in the 2010's just to find out it didn't work. It's interesting that yours is not giving an error message. There may be another problem as well as the known issue with the Nav units. Below is what GM is telling the dealers on the known issue:
#PI0003: Navigation Radio USB Error Message - (Nov 19, 2009)
Subject: Navigation Radio USB Error Message
Models: 2010 Chevrolet Avalanche, Silverado, Suburban, Tahoe
2010 GMC Sierra, Yukon, Yukon XL
All Equipped with Navigation Radio RPO UUK or UUL
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
Some customers may report one of two concerns:
• If a USB/ iPod® device is connected, the radio will display the "USB Error" message for three seconds , the music will stop and the radio will default to the last known radio source before the USB device was selected.
• If a USB/ iPod® device is NOT connected, the radio will display the "USB Error" message for three seconds on any of the navigation/radio screens.
Recommendation/Instructions:
Engineering has identified this as a software calibration concern on certain vehicles equipped with DENSO navigation radios (RPOs UUK or UUL).
Important: DO NOT replace the navigation radio for this concern.
Engineering is working to provide a repair for this condition. Further information will be provided when available.
You may want to try putting some mp3's on a flash drive and connect it to the USB port in the Tahoe to see if it connects. If not, it could be a cable issue. Just my 2 cents.
#PI0003: Navigation Radio USB Error Message - (Nov 19, 2009)
Subject: Navigation Radio USB Error Message
Models: 2010 Chevrolet Avalanche, Silverado, Suburban, Tahoe
2010 GMC Sierra, Yukon, Yukon XL
All Equipped with Navigation Radio RPO UUK or UUL
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
Some customers may report one of two concerns:
• If a USB/ iPod® device is connected, the radio will display the "USB Error" message for three seconds , the music will stop and the radio will default to the last known radio source before the USB device was selected.
• If a USB/ iPod® device is NOT connected, the radio will display the "USB Error" message for three seconds on any of the navigation/radio screens.
Recommendation/Instructions:
Engineering has identified this as a software calibration concern on certain vehicles equipped with DENSO navigation radios (RPOs UUK or UUL).
Important: DO NOT replace the navigation radio for this concern.
Engineering is working to provide a repair for this condition. Further information will be provided when available.
You may want to try putting some mp3's on a flash drive and connect it to the USB port in the Tahoe to see if it connects. If not, it could be a cable issue. Just my 2 cents.
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