this post was submitted on 17 Apr 2025
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Tesla odometer uses “predictive algorithms” to void warranty, lawsuit claims (arstechnica.com)
submitted 4 days ago* (last edited 3 days ago) by Washedupcynic@lemm.ee to c/technology@lemmy.world
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The lead plaintiff in the case, Nyree Hinton, bought a used Model Y with less than 37,000 miles (59,546 km) on the odometer. Within six months, it had pushed past the 50,000-mile (80,467 km) mark, at which point the car's bumper-to-bumper warranty expired. (Like virtually all EVs, Tesla powertrains have a separate warranty that lasts much longer.)

For this six-month period, Hinton says his Model Y odometer gained 13,228 miles (21,288 km). By comparison, averages of his three previous vehicles showed that with the same commute, he was only driving 6,086 miles (9,794 km) per 6 months.

Edit: I just want to point out that I just learned that changing your tires to ones of a different diameter can also affect how your spedometer clocks. So yeah, this issue is full of nuance and plausible things as to why this could not be true.

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[–] spankmonkey@lemmy.world 175 points 4 days ago (3 children)

We already know they knowingly lied about battery range, the capabilities of self driving, and a ton of other fraudulent practices. Tesla is doing it intentionally is more likely than poor build quality.

[–] JeremyHuntQW12@lemmy.world 6 points 3 days ago (1 children)

In fact I believe the odometer reading is calculated from the electricty consumption, not from a meter in the gearbox. So if the range reading is inaccurate (and they are) it would throw out the mileage as well.

Should be super easy to prove too… Take an assortment of Teslas to a 1 mile stretch of road, drive it up and down 20 times, measure the mileage before and after.

Not necessarily, the incorrect readings may only occur at certain speeds or conditions.

[–] anomnom@sh.itjust.works 6 points 3 days ago (1 children)

That would make no sense. There has to be something spinning connected to something rolling in the ground.

All the AC motors have some kind of encoder to control rotation (and can easily be used to count rotations as well). But if Xitter and Doge have taught us anything, it’s that the programmers for Musks companies more not be very competent.

[–] JeremyHuntQW12@lemmy.world 1 points 2 days ago

Apparently its based on the field rotations in the motor or something, remember this is a fixed gear vehicle. I don't think ICE cars use a gear either anymore, its based on the crankshaft sensor for the EFI, multipled by a gear ratio figure in the ECU. Even pushbikes don't have gear sensors for speedo reading, they count magnetic fluctuations in the rim.

[–] hddsx@lemmy.ca 6 points 3 days ago (1 children)

I’ll bite, what is the evidence that Tesla knowingly lied about battery range?

[–] FrederikNJS@lemm.ee 32 points 3 days ago (1 children)
[–] hddsx@lemmy.ca 6 points 3 days ago

Ah okay this makes more sense. With all electric driving ranges the EPA/CARB more pessimistic than, say, WLTP. The probable place that could be gamed in determining this range, to my knowledge, is to shut off anything that might require more power (ie. AC).

However, if the range estimated in the software for the dashboard does not match reality, that is indeed the fault of Tesla

[–] ColeSloth@discuss.tchncs.de 3 points 3 days ago

Makes the range look longer, also.