Reverse Engineering the Tesla Battery Management System to increase Power Available

Tesla released the dual motor performance Model S in late 2014. At that time the vehicle came with "insane mode" acceleration and an advertised 0-60 time of 3.2 seconds. Later, in July of 2015, Tesla announced "Ludicrous mode" that cut the 0-60 time down to 2.8 seconds. This upgrade was offered as a hardware and firmware change to the existing fleet of P85D vehicles and was offered for new purchases as well. Since then, Tesla has released the P90D and P100D that also have incremental performance improvements. What makes the P85D upgrade unique was how the process offered a unique insight into how the vehicle's Battery Management System(BMS) handles power requests from the front and rear drive units of the car.

By Patrick Kiley

Full Abstract & Presentation Materials: https://www.blackhat.com/us-20/briefings/schedule/#reverse-engineering-the-tesla-battery-management-system-to-increase-power-available-20464

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