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11-26-2018, 10:45 AM | #1 |
New Member
2
Rep 11
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Center Console Aux/USB Not Working, 12V OK
Hi all,
Having a tough time troubleshooting why the USB/Aux in my center console are not working. Not trying to get iPod/iPhone control setup, I just want my aux input to work. Here's the symptoms:
Having done some reading, I am hoping it's just the fuse for the ULF unit, however I am having a tough time figuring out which fuse/circuit is responsible for this. Another idea could be the radio itself wasn't coded properly (i.e. missing USB option). Any thoughts? |
11-27-2018, 11:09 AM | #2 |
New Member
2
Rep 11
Posts |
Spent some time trying to trace this down more, I think I narrowed it down to a faulty mulf2 high unit. Looks like the previous owner put in an optical loop to bypass the mulf2 high and went straight into the TCU unit that's in there.
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01-07-2019, 02:06 PM | #3 |
E82
20
Rep 12
Posts |
Were you able to fix this/definitively determine the cause of the problem? I am experiencing the same symptoms but bypassing the MULF2 didn't seem to help anything.
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01-30-2019, 10:24 AM | #4 |
Private
44
Rep 51
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The USB port in mine wasn't working when I bought the car. I pulled it apart to find that the pins were bent in the socket. $4 on eBay got me a 25 pack of USB female sockets (I have a few extras) and I simply soldered on a new one. BMW wanted $50 to replace the jack, I fixed it for about fifteen cents.
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