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Thread: 2018 CX-9 Rear USB not working

  1. #1
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    2018 CX-9 Rear USB not working

    Before I take it over to the dealership thought I'd reach out to make sure it wasn't simple I was missing. The rear USBs (2.1A in the 2nd Row Console) are not working. Any ideas?

    Phillip

  2. #2
    Registered Member Atxyde's Avatar

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    Check the fuses box inside the cabin. Look at the number 15, R.OUTLET1



  3. #3
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    Thanks, went out and checked it, still looked good. went ahead and checked the other two (R.Outlet2 is under the hood)and they all checked out as well. Stuck my head under the seat but all the harness connections that I could see seemed connected well. Afraid this is going to have to be a dealer fix

  4. #4
    Registered Member Atxyde's Avatar

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    Quote Originally Posted by pgarring View Post
    Thanks, went out and checked it, still looked good. went ahead and checked the other two (R.Outlet2 is under the hood)and they all checked out as well. Stuck my head under the seat but all the harness connections that I could see seemed connected well. Afraid this is going to have to be a dealer fix
    Well, in that case, you should. Hopefully it's something easy to fix by the dealer.

  5. #5
    ZOOOOOOOOOM ZOOOOOOOOOOOM mazdadude's Avatar

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    Quote Originally Posted by pgarring View Post
    Before I take it over to the dealership thought I'd reach out to make sure it wasn't simple I was missing. The rear USBs (2.1A in the 2nd Row Console) are not working. Any ideas?

    Phillip
    Just to confirm...In what way are they not working for you? Are you trying to play something or charge something?
    Mazda's I have owned over the years.
    80' Mazda GLC SPORT MT - sold
    81' Mazda 626 DX MT - sold
    81' Mazda 626 LX AT - sold
    82' Mazda 626 DX MT - sold
    82' Mazda 626 LX AT - sold
    85' Mazda 626 LX MT - sold
    87' Mazda 626 GT Turbo MT - sold
    85' Mazda RX-7 GSL-SE MT- sold
    87' Mazda RX-7 Turbo 2 MT - sold
    91' Mazda Protege LX MT - sold
    92' Mazda MX-5 Miata MT - sold
    93' Mazda MX-3 GS-V6 Special Edition MT - sold
    00' Mazda 626 LX-V6 MT - sold
    02.5' Mazda Protege5 MT - sold
    92' Mazda MX-5 Miata MT - sold
    06' Mazda 5 Touring AT - sold
    13' Mazda CX-5 Touring AT - sold
    14' Mazda 3i Grand Touring MT - sold
    15' Mazda CX-5 Touring AWD AT - sold
    03' Mazda Protege5 AT - sold
    16.5' Mazda CX-5 Touring AWD AT - current
    09' Mazda Mazdaspeed3 GT - current

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    Quote Originally Posted by mazdadude View Post
    Just to confirm...In what way are they not working for you? Are you trying to play something or charge something?
    They're not recognizing that anything is plugged in. No charging, not showing up in any way on the infotainment (not sure if they're supposed to?). I've got an appointment scheduled with the dealership to figure out what's wrong later this week.

  7. #7
    Registered Member Atxyde's Avatar

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    Quote Originally Posted by pgarring View Post
    They're not recognizing that anything is plugged in. No charging, not showing up in any way on the infotainment (not sure if they're supposed to?). I've got an appointment scheduled with the dealership to figure out what's wrong later this week.
    The rear USB ports are only for charging purposes only.

  8. #8
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    Went to service department today. Ended up being a bad USB port assembly (power was all the way up to actual USB connection) new assembly on order, should be able to pop out the old one, pop in a new one. Sucks that a brand new car came with a bad USB but easy enough to fix other than a couple trips to the service department.

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