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Head Unit Help - 2021 TRD Off-Road Premium

Discussion in '5th Gen Builds (2010-2024)' started by ltsclayton, Feb 20, 2024.

  1. Feb 20, 2024 at 3:55 PM
    #1
    ltsclayton

    ltsclayton [OP] New Member

    Joined:
    Feb 20, 2024
    Member:
    #38658
    Messages:
    1
    Gender:
    Male
    First Name:
    Clayton
    Vehicle:
    2021 4Runner TRD Off-Road Premium
    Hello everyone,

    I recently purchased a rebuilt title 2021 TRD Off-Road Premium for a (hopefully) a great price with fairly minor damages.

    However the head unit "supposedly" was working until the day I showed up to purchase the vehicle. I have no reason to believe there was malicious intent in the sale....as everything else has been great so far.

    For whatever reason the selling party pulled a couple fuses before we met for the purchase, I think because of the head unit, but didn't really get a clear answer.

    Head Unit Status: Screen is sometimes illuminated with the back light, but does not function nor does the radio, bluetooth, navigation, etc....however the rear view camera and display function perfectly.
    - The screen appears to get enough power to power on the backlight of the screen as it flashes back in forth from fully off black color to slightly illuminated dark grey color but totally blank and unresponsive.

    I'm wondering if it is a fuse issue? We tried to reset some fuses when I bought the vehicle before my 10 hour drive back home, but was unsuccessful. But maybe we missed something.

    The vehicle also had a bad battery that I replaced with a new one (Duralast Gold Battery BCI Group Size 24F 750 CCA 24F-DLG) and unfortunately the issue continued to persist. This battery was suggested by Autozone, are the amp's compatible with the electronics of the vehicle?

    I would LOVE any advice on possible fuses to check. Hard/soft head unit resets. Head Unit software updates? Or anything else to consider!

    2021 TRD Off-Road Premium --- 15,000 miles --- Rebuilt title (no mechanical damage, was stolen and crashed) --- Purchase price: $26,500

    IMG_8309.HEIC.jpg IMG_8311.HEIC.jpg
     

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