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Corvette 7 black screen

Morooo
Morooo
in General Forum

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#1

Hello guys, i have my corvette c7 screen gone to black, i checked all wiring

From screen to HMI is ok

From screen to radio control module is ok

From screen to HAVC is ok

From screen to auxilary HAVC is ok

All computer data is ok

Positive and negative is ok

Also i have replaced new screen still same issue there is no any light which completely black, any one known this before

Thanks

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    • Arbe_gtc
      Arbe_gtc

      U0028 00 MOST Bus — Malfunction U0029 00 MOST Bus Performance — Malfunction In some point of the bus, there are a problem Check all units of the bus A11 Radio K74 HMI P16 Speedometer, A33 disc pla

    • Morooo
      Morooo

      U0029 on human machine control module U0028 on radio control module😆 I checked network lines are ok so what will be then

    • GM Car Hacking Expert
    • Contributor
    #2
    6 hours ago, Morooo said:

    Hello guys, i have my corvette c7 screen gone to black, i checked all wiring

    From screen to HMI is ok

    From screen to radio control module is ok

    From screen to HAVC is ok

    From screen to auxilary HAVC is ok

    All computer data is ok

    Positive and negative is ok

    Also i have replaced new screen still same issue there is no any light which completely black, any one known this before

    Thanks

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    #3

    U0029 on human machine control module

    U0028 on radio control module😆

    I checked network lines are ok so what will be then

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    • Thumbs-Up 1
    • GM Car Hacking Expert
    • Contributor
    #4

    U0028 00 MOST Bus — Malfunction

    U0029 00 MOST Bus Performance — Malfunction

    In some point of the bus, there are a problem

    Check all units of the bus

    A11 Radio
    K74 HMI

    P16 Speedometer,
    A33 disc player
    S136 touchpad
    T3 Audio amplifier

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