Start/stop failure 812 | FerrariChat

Start/stop failure 812

Discussion in 'F12/812' started by tooki, May 21, 2025.

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  1. tooki

    tooki Rookie

    May 21, 2025
    1
    #1 tooki, May 21, 2025
    Last edited: May 21, 2025
    Hi

    while driving 812 in traffic mode or when it is necessary to stand at idle (at a traffic light) sometimes start/stop error appears, and car limit RPM to 4k

    then while car drive for a few kilometers failure is down and u can take 9k rpm again

    oli temp = 85-86
    coolant = 87-90

    Radiators are clean, antifreeze levels are normal

    I brought the car to the dealer and no errors were found
     
  2. SeattleStew

    SeattleStew Formula 3
    Owner Rossa Subscribed

    Apr 10, 2020
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    Full Name:
    Stew
    Replace battery. Any time there are weird electrical issues, replace battery.
     
  3. DaveMc

    DaveMc Formula Junior

    Nov 29, 2012
    411
    Palm Coast, Florida
    It is unbelievable to me, as a 2018 812 SF owner, that Ferrari put a start/stop feature in this car. Everyone I mention it to, starts breaking out laughing. So do I, sadly.
     
    mdrums and Thecadster like this.
  4. DZ-96

    DZ-96 Formula 3
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    Mar 7, 2010
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    Daniel
    EU law

    Daniel
     
  5. DaveMc

    DaveMc Formula Junior

    Nov 29, 2012
    411
    Palm Coast, Florida
    But this is America! In addition, there is no way to permanently turn if off. My 2022 Bentley GT has a control knob that you can go to "custom mode" and turn it off, but you have to do it everytime the car gets a restart
     
  6. DZ-96

    DZ-96 Formula 3
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    #6 DZ-96, May 31, 2025
    Last edited: May 31, 2025
    But you bought an EU car.

    So we all have to live with this ****.
    You should be happy that you haven't the speed warning signal, the brake assistent, the black box and other crap which have to be installed in all new cars (officially sold in europe) since middle of 2024.


    Daniel
     
    George Vosburgh likes this.
  7. DZ-96

    DZ-96 Formula 3
    Silver Subscribed

    Mar 7, 2010
    1,904
    South Germany
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    Daniel
    Accustom yourself a starting routine, everytime you drive the car.

    Ignition on - waiting for check lights - start - automatic shift off - start/stop off



    When you have a newer car you have to add.
    lane assist off - speed control assist off - brake assist off

    Some more in the future.


    When you see what idiots are getting a driver license, you have not to wonder yourself, that such crap have to be installed in new cars.
     
    George Vosburgh and Ngcanada like this.

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