Like a cheat code for your car: We investigate ECU tuning

Now it's an arms race between OEMs locking down chips and tuners trying to crack them. https://arstechnica.com/cars/2026/07/like-a-cheat-code-for-your-car-we-investigate-ecu-tuning/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social