2023 XLE rolling malfunction VSC stability control not detected

Discussion in 'Gen 5 Prius Technical Discussion' started by Diane Stachowski, Nov 29, 2024.

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  1. Diane Stachowski

    Diane Stachowski New Member

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    Anyone experiencing random rolling malfunction warnings for VSC and stability control not detected while driving?
    Dealer replaced 12v battery twice in 1 year - but still getting warnings
     
    #1 Diane Stachowski, Nov 29, 2024
  2. Trollbait

    Trollbait It's a D&D thing

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    What exactly is happening? Are just the lights coming on? If a brief interval, that could just be from the systems activating normally.

    Is there anything plugged into the OBD port?
     
    #2 Trollbait, Nov 30, 2024
  3. Diane Stachowski

    Diane Stachowski New Member

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    Rolling warnings along with 2 red icons appear randomly on the screen. Nothing is plugged in.
     
    #3 Diane Stachowski, Nov 30, 2024
  4. Diane Stachowski

    Diane Stachowski New Member

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    No error codes even while the warnings appear
     
    #4 Diane Stachowski, Nov 30, 2024
  5. Gorgonzola

    Gorgonzola New Member

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    To clarify, is actual warning text appearing on the screen that states “VSC not detected” or is it simply the VSC indicator light flashing briefly as if there was a loss of traction? And you have so far replaced the 12v battery twice trying to address this specific issue? Thanks for clarifying
     
    #5 Gorgonzola, Nov 30, 2024
  6. CooCooCaChoo

    CooCooCaChoo Senior Member

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    I would say check to make sure fuses are firmly in place.
     
    #6 CooCooCaChoo, Dec 1, 2024
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  7. Diane Stachowski

    Diane Stachowski New Member

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    This is the exact wording:
    VSC turned off
    Pre Collision Brake System Unavailable
    Traction Control turned off.

    Note that this is random and no buttons on the console were touched.
    Dealers cannot find error codes even while malfunctioning. Because they could not replicate the malfunction I drive to the shop while it appeared in my screen.
    They replaced 12v battery twice and tild me the last battery was sulfated. Car is 1 year 3 months old
     
    #7 Diane Stachowski, Dec 1, 2024
  8. Trollbait

    Trollbait It's a D&D thing

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    Could be a loose wire.
    Maybe a computer is rebooting.
     
    #8 Trollbait, Dec 1, 2024
  9. Amcrump

    Amcrump Junior Member

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    Not sure this is the same thing but sometimes when it’s really cold out I’ll get a similar alert.
     
    #9 Amcrump, Dec 18, 2024
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