this post was submitted on 20 Oct 2025
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Privacy
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I hate this.
I'm still driving a '99 vehicle and the most advanced thing about it are the power windows. I dread upgrading to a vehicle that can break in so many new ways. I hate that everything has touch screens and the software on many is awful and if it breaks, surprise, you have no music in your car now.
Those still have an ECU that stores most of the same data. It knows you speed, it knows how hard you brake, etc. anything with an OBD will store data. And that’s carssince the 70s
You’ll be surprised, they take snapshots at certain points. In a collision all vehicles will store last 5 or so seconds of data, speed, see if brakes are engaged, stuff like that, it’s all used in collision investigations. There’s not a single car I think that’s doesn’t do this. As I said, it’s in some form, but your vehicle does know if you’ve sped if it has an obd on it.
What do you think basic OBD stuff is? It’s all that information and that’s used to see if anything’s wrong with the vehicle.
No, even ODB from the 70s records you max reached speed, if you’ve hit the governer/rev limiter and how many times.
It’s nothing modern, modern just does it more frequent, more situations, more information, more data points, and mandatory black boxes.
And many vehicles from 2000 onwards have dedicated EDR boxes, what make and model and trim is your 2012?
So sounds like you don’t quite know what’s going on under your hood there ;)