Car needs/requires service and 12V power reduced - Won't drive...

Discussion in 'Model 3' started by Tessy, Dec 29, 2019.

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  1. Tessy

    Tessy New Member

    The following warning notifications came up on my 2018 Model 3 with less than 8k miles;
    • Care needs service (Car may not restart)
    • 12V power reduced (Vehicle may shut down unexpectedly)
    • Vehicle required service (Schedule now)
    The issue is the car will not shift into drive or reverse. I tried rebooting and I fully recharged the 12V battery with no help.
    Any input or suggestions would be greatly appreciated.

    upload_2019-12-29_16-12-33.png
     
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  3. bwilson4web

    bwilson4web Well-Known Member Subscriber

    Where? Weather? Last used? Voltage after charging 12 V battery?

    There is a 12 V reset that is more complex in the Model 3:
    • Lift rear seat to disconnect the traction battery systems.
    • Disconnect the 12 V ground for about a minute. NOTE: the voltage should be between ~11.9-12.85 V. If too low, good time to replace (see YouTube.)
    • Reconnect the 12 V ground
    • Reconnect the traction battery systems.
    If this does not work, it sounds like a service truck or tow.

    Bob Wilson
     
    Last edited: Dec 30, 2019
  4. Tessy

    Tessy New Member

    It's looking like the Pyro Fuse is the culprit. Any chance anyone in Southern LA has a 5 Point Socket I could rent for removing the penthouse lid? :)
     

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