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Tesla Wont Start - Need help!

Discussion in 'Model S' started by Restore, Aug 27, 2019.

  1. Restore

    Restore Member

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    hello, I bought a 2018 Model S off the auction. Car will not start, keeps saying Reducing Power and shutting down. Replaced the Pyro Fuse and still does the same thing. Any ideas of the the issue could be?

    Thank you.
     
  2. brkaus

    brkaus Well-Known Member

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    Assume this is something you understood when purchasing at auction?

    is it a salvage title?
     
  3. Restore

    Restore Member

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    no, its clean title.
     
  4. Mark_T

    Mark_T Active Member

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    Why aren’t you just taking this to Tesla to fix?

    If it isn’t a salvage title then it has to still be under warranty...
     
    • Like x 2
  5. erik_k

    erik_k Member

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    HV battery may be at 0% and 12v may be low. Is the car where you can plug in the UMC? Put a battery charger on the 12v too.
     
  6. Geek190

    Geek190 2015 P85D

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    Sounds like the battery is dead.
    Have you tried charging?
     
  7. brkaus

    brkaus Well-Known Member

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    Was the pyro fuse blown?
     
  8. Mark_T

    Mark_T Active Member

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    This is one of those times where full disclosure would help people to help you.

    Replacing the pyro fuse as a first step and not just getting Tesla to look at it under warranty might suggest that you've got a car with either crash or flood damage.

    Knowing what sort of damage you are facing would help people give you better suggestions rather than assuming it is just a normal 2018 that isn't starting for some reason...
     
    • Like x 5
    • Informative x 2
  9. brkaus

    brkaus Well-Known Member

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    And a username "Restore"
     
  10. Mark_T

    Mark_T Active Member

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    Do please understand this is not because we have anything against buying crash/flood damaged cars or even salvage titles, but it is about trying to actually help you rather than making wild guesses based on inaccurate assumptions...
     
    • Like x 2
  11. brkaus

    brkaus Well-Known Member

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    The message you’re getting could be (among many others) -

    • Contactors detected as having a problem
    • Low main battery pack charge
    • Main battery temperature issue
    • Many others...
    usually there are a string of messages from what I’ve read.
     
  12. Restore

    Restore Member

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    yes it was. I replaced it.
     
  13. Restore

    Restore Member

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    It will not allow me to charge it. Wont open the charge port.
     
  14. Restore

    Restore Member

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    I did take it to Tesla, they wanted 4k to fix it and no guarantees that it will fix it. So I want to try to fix it my self. Yes it has warranty but they said the accident it had caused the issue. but they will not tell me the issue or what needs to be fixed. total BS
     
  15. brkaus

    brkaus Well-Known Member

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    Please tell us more about the accident. Visible and suspected damage?
     
  16. Mark_T

    Mark_T Active Member

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    Depending on the accident they may not know until they get in there, but this is why it helps to know the whole story, not just 'Tesla won't start' - would never have suggested warranty work if you'd said it was crash damaged.

    How bad is the damage and where?
     
  17. Restore

    Restore Member

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    The reason I did not write the whole story, honestly I didn't think anyone would respond on here :) but here it is.

    Bought the car at an auction, all I saw on photos was the wheel damage. Then I pick it up and noticed that high voltage wires running from the front junction box to the rear high voltage junction box were slightly cut open by the wheel hitting them on impact. so first attempt was to fix the wires up witch I did, still nothing changed. Then I discovered that it has a Pyro Fuse. So I took that out and fixed it and still nothing changed. Now I replaced the wires and still nothing has changed, tomorrow I'm getting a new pyro fuse to see if that will fix anything. That is where im at now.
     
  18. Restore

    Restore Member

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    just added some more details above :)
     
  19. brkaus

    brkaus Well-Known Member

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    The pyro fuse can be tested with an ohmmeter. I don’t *think* it would partially fail.

    You put a new 12v battery in it?

    did any of the cooling system get damaged?

    motors?
     
  20. Restore

    Restore Member

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    I did not put a new 12 volt battery in it. The car has 2000 miles on it and the battery seems to be fine. nothing else got damage but the wheel and the knuckle, since it got pushed back It cut open the two High Voltage wires and that most likely blew the Pyro Fuse. everyone else is working properly.
     

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