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If you fast charge, Tesla will permanently throttle charging

Candleflame

Active Member
Mar 9, 2015
2,508
1,144
QLD, Australia
This thread is reeeeally long, is there consensus on what the thresholds are where speeds are capped and by how much? 4,000kWH DC, 5k, 10k?

I have a Dec 2014 P85D with 178k km, but amazingly only 3400kWH DC charging (out of 66k total - 42k AC and 20k regen) and still hit 130kw supercharging in ideal conditions under 10% SoC (for about 10 seconds and it tapers quickly).

Charging curve is the same terribly slow curve as everyone else (not counting the regained curve 75/90 folks got back with 2020.48.37)

there is a consensus and i forgot what it is. Tesla sent an email to a either an s90 or s75 owner exactly outlining where the throtteling starts and when it stopped/is at its maximum. I cant remember what the exact values were. It was roughly starting at 30k km supercharging and reaching its maximum at 55k km.... i think.

With 3400kwh DC charging on an s85 you havnt quite supercharged enough to hit the treshold i think! I think it may have ben 4000kwh?
 

Merle

Member
Apr 5, 2019
150
122
Tahoe
My local service number goes to the main switch board that takes you through a maze of "Press 1 for this and Press 2 for that,.. ", and finally tells you to go use the App. There is NO option to reach a human. Their automated phone system is worse than Comcast. I got so frustrated once, I simply drove there which is only two miles away and spoke to someone in person, who was very super helpful.

That's false. Pick the option that claims that your car is in service right now and you'll get transferred to a human at best, voice mail with a call back at worse.

I've tried Comcast (Charter and Spectrum). Try to get someone to help with Internet Essentials at an address that previously had service. Ultimately had to file a CPUC complaint to get a call back.

Have you gone that far?
 
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TSLC

Member
Oct 1, 2017
56
59
Utah
I finally received the 2020.48.37 update in my 2016 S-75 and supercharged for the first time this morning starting with a warm battery and 18% left. Before throttling, the peak charge was in the 97kW range, and after throttling, it would very briefly touch 82kW just below 50%. Today the car reached a peak charge rate of 108kW, so that’s quite a bit higher than when it was new. It tapered to the former max of 82kW at just before 50% and seemed to taper from there at the same rate as it had before the update. This is a significant improvement that will make long distance traveling much easier especially as more superchargers come online and the “splash and dash” method in the low end of the range can be used. As a heavy supercharger user, I’m very excited with this update.

Can confirm. 17’ S75D. Seeing peak charge rates above 100kW since 48.37.1. These are the highest numbers ever for my vehicle as the previous peak was 96-98kW. My vehicle was throttled with the charge rate permanerf prior to the further charging speed enhancement for 350V packs that increased peak rates to 118-120kW approximately 20 months ago.

It has been about two years since I have seen anything above 82kW. This has resolved my single largest frustration with Tesla and this vehicle. I was specifically told once the accumulated DC fast charging counter is triggered the permanerf, could not be removed or altered in order to improve and protect my ownership experience.

I supercharge far less these days since home charging has been established.
 
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