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I tried the steps and left it for 20 minutes but unfortunately mine is still 8A. My UMC came with my 2019 Model 3, maybe this update only applies for newer ones?
IIRC I think I read the later UMCs came with an actual 10A tail but the older ones was only 8A. Happy to be proven wrong.
The firmware on the UMC itself is updated, so if you now get 10A on the 10A tail you will also get 15A on the 15A tailWould be nice to hear any reports on the 15A tail too
That is correct, you need to check the labels on the tails to see which ones you have, but in 2019 the car would have come with the older 8A/12A ones.IIRC I think I read the later UMCs came with an actual 10A tail but the older ones was only 8A. Happy to be proven wrong.
I can confirm this is the case too.I have a 2019 UMC and it updated to support the 10/15A tails. Note you need the physically different tails, not the ones that came with the 2019 UMC that are 8/10A and 12/15A. You need to go and buy the 10/10A and 15/15A tails from Tesla. But they definitely work on a 2019 UMC.
Service request through the app, spare part purchase.Just curious, how does one buy the 10 & 15A tails? They don't seem to be a listed item on their shop page.
It was broken in 2023.20.xIm confused, this update has been around for years...?
Yeah, that's the way it was supposed to be. Tesla initially sold UMCs with 8A and 12A tails. Then with 10A and 15A tails and a firmware upgrade that allowed the UMC to use the tails at full power. Then, in 2022/2023, they went through a period of selling UMCs with 8A and 12A tails, intermixed with supplying the 10A/15A version to some customers, despite the majority of their advertising still showing the UMC as 10A/15A.Im confused, this update has been around for years...?
That seems like a delivery firmware, you might have to wait for your first car firmware update.I have a Oct23 build Model Y with 2032.32.100, bought the UMC a month ago and it has the true 10A tail.
How did you determine it is a "delivery firmware"? and how would that differ from the normal release firmware everyone else with a MYLR would have?That seems like a delivery firmware, you might have to wait for your first car firmware update.