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How Tesla Is Replacing the Age-Old Can Bus
Tesla is replacing the decades-old CAN bus with a new, modern network architecture for in-vehicle communications.
Massive amounts of sensor data, high-resolution infotainment screens, over-the-air (OTA) updates, and centralized Electronic Control Units (ECUs) mean that the old standard just can’t keep up anymore. While the patent focuses on the data protocol, LVCS simplifies the physical layer, and the 48V architecture it's built on also enables using the vehicle's DC power lines as a potential network medium (PLC), helping to reduce complexity. The Reuters report sheds some light on what Tesla's immediate affordable vehicle plans might actually entail with a changed approach: a stripped-down version of its best-selling Model Y SUV, internally code named E41.
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