I have a June 2016 S P90D and apparently I have a 72A charger that is software-limited to 48A. When I talked to the dealership they said they couldn’t activate the upgrade because I’m not the original owner. While that is true, has anyone else been told this? Is there some reason they don’t want to give me the upgrade?
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72A Charger Upgrade
- Thread starter billbrasky66
- Start date
ucmndd
Well-Known Member
Maybe you've found a way to confirm this, but are you sure you actually have a software limited 72A? I know there were a few of those early after the cutover but I was under the impression they pretty quickly moved to actual differentiated hardware.
Tam
Well-Known Member
blodg1
Member
Being the original owner is not a requirement for this upgrade. Are you not listed as the owner? Do you have app access?
I think it is important to confirm that you actually have the 72 amp charger. That's an additional board that that get added to the base 48 amp charger. I have a mid-June build MS90D, not a P. I recall when I ordered you had to specifically select the option for the upgraded charger as it was actually a hardware difference, not just a software switch.
blodg1
Member
Easy to check on an S. Pull up the rear seat cushion and you will see a sticker on the charger. It's pretty big and will show "48A" or "72A".
EVRider-FL
Active Member
I wasn’t aware that there were any software-limited 72A chargers, I thought it was hardware only. My 2018 S is one of the last ones made before they discontinued the 72A option.
airborne spoon
Active Member
Yes it is, or at least it was when i was asking for an upgrade. Back when they offered the Ludacris upgrade to the P85D i inquired if i could make an appt to get that done and was told by multiple service centers that was only an upgrade option for the original owners, even though it said nothing about that on the website, it just said basically give us $5k and well give you more power.
blodg1
Member
I was specifically referring to "this" upgrade, meaning the charger upgrade. I worked for Tesla and can confirm these facts. Regarding your ludicrous upgrade, when did you request it? There was short period of time when the discontinuation of the upgrade was waived for original owners.
Interesting. I am first owner on mine, but was never asked any questions on ownership during my upgrade. I was given pushback on why I wanted it. They also had to ask for it. To make sure car could accept. So maybe that's when they checked that I was original owner. Mine charged at reduced, and after opened it up one part was fried. That's why I have the cover of the 48amp.
Tesla did forget to provision it on the back end so the next software update the car didn't recognize 72 amp charger. Had to drive slowly to SC to have them fix. Got a snarky response like well you wanted the 72 amp.
Tesla did forget to provision it on the back end so the next software update the car didn't recognize 72 amp charger. Had to drive slowly to SC to have them fix. Got a snarky response like well you wanted the 72 amp.
Wol747
Active Member
Logically it could only BE a hardware limit - there'd be little point in installing higher amperage chargers during manufacture and then software limiting them.
ucmndd
Well-Known Member
They most certainly did just that though, early in the production run. There are absolutely a non-zero number of cars out there with 72 amp chargers software limited to 48 amps.
Wol747
Active Member
blodg1
Member
Upgrade revenue and less complex manufacturing. The three phase charger for Europe has 24A charging per phase. When used with single phase power they combine to make 72A. The true 48A chargers are missing the middle mounted phase if they are not upgradable.
Wol747
Active Member
How did you lift up the rear seat cushion? I’ve been fiddling with mine and can’t seem to figure it out for the life of me, and I don’t really want to yank on it too hard or break anything.
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