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I think late 2018. I just ordered a new v2 key fob as my third fob. My other two v1 fobs still work.Does anyone know the cutover production date from V1 fobs to V2 fobs?
I think late 2018.
Wow, a professional that required 45 min to complete! I guess good to know that fobs not that easy to program.Mobile Service came and did it two days ago in about 45 minutes.
Late 2018 is correct for the V2 fobs. They doubled the hash length on the new fobs (which doubled the time needed to decrypt them from 2s to 4s).
Late 2018 is correct for the V2 fobs. They doubled the hash length on the new fobs (which doubled the time needed to decrypt them from 2s to 4s).
Some minor points here, as I can’t determine relative position of your tongue and cheek.
Thank you! Is there some advantage to the V2 fob?How old are your fobs? The update is only for the more recent versions with enhanced encryption.
Thank you! Is there some advantage to the V2 fob?
Some minor points here, as I can’t determine relative position of your tongue and cheek.
Theoretically, a 40 vs. 80 bit key is a trillion or so times harder to crack (2^40 possible combinations vs. 2^80). That said, with most encryption, the details are in the implementation and it does indeed appear that Tesla’s “80 bit” implementation was to use two 40 bit keys, which is decidedly not the same thing as an 80 bit key.
This update as I understand it is intended to fix that and implement a true 80 bit key.
They are not free. Schedule a mobile appointment and they come by and set it up for you.Is Tesla providing the new fobs for free (USA) for V1 customers? Or is there a charge, if so, what is the cost? Thanks!
They are not free. Schedule a mobile appointment and they come by and set it up for you.
I think the costs is around $200 or so. You get to keep your old v1 fob as well and you can have all three provisioned to your Model S if you want.