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Tesla Model 3 MCU2 (1507275-00-D) is the second-generation infotainment media control unit for Tesla Model 3, powered by Intel Atom A3950 on a custom Linux Tesla OS. It connects to the Tesla cloud and mobile app over LTE/Wi‑Fi/Bluetooth and communicates with vehicle ECUs over CAN/Ethernet. It uses signed firmware and secure boot, supports regular OTA updates, and stores user data with encryption. Security research has demonstrated physical and remote attack vectors on this platform, though real-world widespread exploitation remains rare.
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