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Discussion Starter · #1 ·
I've seen several threads pertaining to this issue but no real resolution found.
Here's what I'm dealing with. I purchased this Traverse this summer. It was wrecked and I rebuilt it. We absolutely love the vehicle but there is one thing puzzling me. It has the dual USB/3.5mm input module on the front center stack. It is completely dead...nothing no comm with the infotainment center, nothing.. I popped it out and found a six pin connector (which only has two wires on it, red and black) and a USB plug in with nothing plugged in. (See pic below.) There is power to the red wire.
I purchased a replacement thinking maybe the module was bad, it didn't change a thing. I took it to the Chevy dealer and they have no idea either except maybe there is a wire that is buried back in there somewhere that isn't plugged in. Preliminary inspection finds nothing.
I find it odd that on a Premiere trim this doesn't do anything. (I find it odd period!) All of the other USB's in the vehicle work just fine. Why a six pin connector and only two are being used?
The vehicle does have on board Nav if that changes anything. Can't see why it would though. So many questions and no answers!
Finger Electronic component Cable Electronic engineering Electronic device

Thoughts???
 

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2019 Premier FWD
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On my 2019 Premiere the USB/3.5mm module allows Android Auto/Apple Car Play to the infotainment system. They also allow a USB media device to be played through the infotainment system.

With that in mind there must be a USB wire missing from that back USB mini jack.
 

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I found this service procedure:
I think this confirms that a USB connector is missing from the back of your jacks (X83 below) and connects to the K74:

"Verify the USB cable is properly connected at all components and in-line connections, and there is no damage to the cable or connections. If connection problems or cable damage is noted. Perform the appropriate repair or replacement to correct any issues. Go to next step: If no connection problems or cable damage is noted.
5. Connect the X1 harness connector at the X83 Auxiliary Audio Input.
6. Disconnect the vehicle USB cable harness connector at the K74 Human Machine Interface Control Module and the X83 Auxiliary Audio Input Adapter.
7. Connect the EL-50334 - 14 Infotainment Test Cable and the EL-50334 - 2 Type-A Female to Mini-B Male Cable together. Connect the assembled test cable to the K74 Human Machine Interface Control Module and the X83 Auxiliary Audio Input."
 

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Locator:
K74 Human Machine Interface Control Module
In the passenger compartment, right side of the instrument panel, behind the instrument panel compartment.
 

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Discussion Starter · #5 ·
Thanks for confirming there was supposed to be a cable/plug there. I tore the center stack apart today and found the cable laying loose amongst all of the others. Someone had obviously been in there before as there were mounting screws missing in several locations.
Anyway, plugged the cable in and all is right with the world and, most importantly, my spousal unit! :cool:Thanks all for you input!
 
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