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Tesla Hacks #4536027
10/07/17 08:56 AM
10/07/17 08:56 AM
Joined: Mar 2005
Posts: 2,299
ohio
whip Offline OP
whip  Offline OP
Joined: Mar 2005
Posts: 2,299
ohio
I heard that Tesla upped the range of cars in Florida during the hurricanes and you can upgrade the power after you purchase. That means it's all in the software. Has anyone heard of after market programming to access the extra power and range?


On the internet, people can be anything they want. Why do so many choose to be stupid?
Re: Tesla Hacks [Re: whip] #4536094
10/07/17 10:16 AM
10/07/17 10:16 AM
Joined: Jul 2007
Posts: 4,198
Midwest USA
LoneRanger Offline
LoneRanger  Offline
Joined: Jul 2007
Posts: 4,198
Midwest USA
Sounds dangerous to push too close to the low voltage limit of massive lithium battery arrays like that of the Tesla, as it can damage them. Fire risk from potential internal battery shorts caused by the damage. If I understand lithium battery dynamics properly.




'09 Subaru Forester ...................(QS HM 5W30)
'16 Moto Guzzi Stelvio 1200 .....(ENI i-Ride PG 10W60)
Re: Tesla Hacks [Re: whip] #4536111
10/07/17 10:50 AM
10/07/17 10:50 AM
Joined: Dec 2014
Posts: 1,671
'murica
Ethan1 Offline
Ethan1  Offline
Joined: Dec 2014
Posts: 1,671
'murica
If anyone has done it, hopefully they are smart enough to keep their mouths shut in order to keep on the right side of the DMCA.

Re: Tesla Hacks [Re: LoneRanger] #4536135
10/07/17 11:20 AM
10/07/17 11:20 AM
Joined: Oct 2009
Posts: 3,214
Wet side WA
JohnnyJohnson Offline
JohnnyJohnson  Offline
Joined: Oct 2009
Posts: 3,214
Wet side WA
Originally Posted By: LoneRanger
Sounds dangerous to push too close to the low voltage limit of massive lithium battery arrays like that of the Tesla, as it can damage them. Fire risk from potential internal battery shorts caused by the damage. If I understand lithium battery dynamics properly.



Yes I think Boeing found this out on their 787!


2004 Corolla 124770
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Re: Tesla Hacks [Re: whip] #4536189
10/07/17 12:32 PM
10/07/17 12:32 PM
Joined: Dec 2006
Posts: 7,641
Toronto, Canada
KrisZ Offline
KrisZ  Offline
Joined: Dec 2006
Posts: 7,641
Toronto, Canada
Achieving something vs. achieving something safely are two different things.
Nobody knows what other software changes were made to get the extra distance out of the batteries, like altering the cooling algorithms, turning off some non-essential auxiliary systems etc.
Those that think it's a simple matter of just hacking the code obviously know nothing about engineering.


2015 Dodge Grand Caravan-27k miles.
2006 Mazda 3-163k miles
Re: Tesla Hacks [Re: whip] #4536198
10/07/17 12:40 PM
10/07/17 12:40 PM
Joined: Sep 2010
Posts: 7,485
S California
OneEyeJack Offline
OneEyeJack  Offline
Joined: Sep 2010
Posts: 7,485
S California
Didn't the Honda Civic hybrid go through a battery problem. My daughter had one and the upgrade done by Honda wiped out any mileage advantage. Evidently, the battery was failing under the original setup. She asked if the upgrade could be undone and was told, NO. The drop in mileage was bad and she immediately got rid of the car before the resale value tanked.

Re: Tesla Hacks [Re: OneEyeJack] #4536208
10/07/17 12:52 PM
10/07/17 12:52 PM
Joined: Sep 2004
Posts: 21,629
Orlando, FL
Mr Nice Offline
Mr Nice  Offline
Joined: Sep 2004
Posts: 21,629
Orlando, FL
Originally Posted By: OneEyeJack
Didn't the Honda Civic hybrid go through a battery problem. My daughter had one and the upgrade done by Honda wiped out any mileage advantage. Evidently, the battery was failing under the original setup. She asked if the upgrade could be undone and was told, NO. The drop in mileage was bad and she immediately got rid of the car before the resale value tanked.


That hybrid engine was a disaster and Honda was very bad not to replace with a new battery under warranty.

Re: Tesla Hacks [Re: whip] #4536286
10/07/17 03:22 PM
10/07/17 03:22 PM
Joined: Apr 2010
Posts: 13,534
Chicago, IL
dparm Offline
dparm  Offline
Joined: Apr 2010
Posts: 13,534
Chicago, IL
Originally Posted By: whip
I heard that Tesla upped the range of cars in Florida during the hurricanes and you can upgrade the power after you purchase. That means it's all in the software. Has anyone heard of after market programming to access the extra power and range?



Correct, it's in the software. It's probably more cost-effective for Tesla to just use one battery pack to simplify production and then simply disable cells in software or whatever. This isn't anything new; my BMW and both of my Audis, for example, could very easily have other features enabled with a laptop and the right cable. I enabled the European-setting of the DSC's M Dynamic Mode in my M3 since it was less restrictive. Took all of 90 seconds.


I doubt the aftermarket is going to come out with a "hack" because Tesla likely has something in the car's purchase agreement or the EULA that makes it illegal to break their encryption, reverse engineer, or otherwise alter the programming. Given the car's "uplink" to Tesla's servers, I suspect they could also detect these hacks pretty easily. You can bet that if the hack cuts into Tesla's sales, they would go after them in court.


2017 Chevrolet Corvette Grand Sport
Re: Tesla Hacks [Re: KrisZ] #4536383
10/07/17 05:32 PM
10/07/17 05:32 PM
Joined: Dec 2014
Posts: 1,671
'murica
Ethan1 Offline
Ethan1  Offline
Joined: Dec 2014
Posts: 1,671
'murica
Originally Posted By: KrisZ
Achieving something vs. achieving something safely are two different things.
Nobody knows what other software changes were made to get the extra distance out of the batteries, like altering the cooling algorithms, turning off some non-essential auxiliary systems etc.
Those that think it's a simple matter of just hacking the code obviously know nothing about engineering.


No, you know nothing about the situation. Tesla has already written the long range software and offered it for sale. They wouldn't reprogram the car from scratch, that's inconceivable. There aren't enough oscilloscopes and logic analyzers in the world for that. It would be more like "Hey we flipped this bit and now we're in the latent long range mode" or "Look we figured out how to load the extended range firmware without getting it from Tesla for $10k".

Re: Tesla Hacks [Re: whip] #4536402
10/07/17 06:04 PM
10/07/17 06:04 PM
Joined: Dec 2002
Posts: 40,857
'Stralia
Shannow Online content
Shannow  Online Content
Joined: Dec 2002
Posts: 40,857
'Stralia
Tesla have changed the programming on customer's cars without their knowledge/consent via "wifi" a number of times.

Limiting the number of ludicrous launches
Limiting the charge rate at the fast chargers once a certain number of fast charges have been done.

There's a safety margin in the batteries for sure...and it's probably pretty big.

There's lots of scope for Tesla to play, and offer things like range extension in a natural disaster, but it's only "safe" using their knowledge of the battery.

We've had 3 18-650 battery fires in the last 6 weeks at work by replacement batteries being incompatible with existing chargers...they were nasty, but an array of a couple of thousand of them going spackers because of a hack is plain scary as an idea.

Re: Tesla Hacks [Re: Ethan1] #4537791
10/09/17 09:42 AM
10/09/17 09:42 AM
Joined: Feb 2007
Posts: 1,045
Perris, CA
Anduril Offline
Anduril  Offline
Joined: Feb 2007
Posts: 1,045
Perris, CA
Originally Posted By: Ethan1
If anyone has done it, hopefully they are smart enough to keep their mouths shut in order to keep on the right side of the DMCA.

And this is exactly what's wrong with our country/the electronics industry as a whole. If it was a physical part you had to remove/modify to get more range, that's 100% legal. Why is it any different with a digital "part"

Tesla takes the risk that someone will hack their product and enable the extra range for free when they decided to ship the same hardware with artificial restrictions. It's absolutely ridiculous that this has legal backing.


2015 Nissan Versa Note 1.6/5MT
2012 Toyota Tacoma 2.7/4AT
2005 Nissan XTerra 4wd 4.0/6MT
2000 Chevy Cavalier 2.2/4AT
2009 Kawasaki Vulcan 900
2013 Hyosung ST7

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