NHTSA Complaint #11523874 — 2016 TESLA MODEL X

MCU1 onboard computer system becomes overloaded with data that eventually and periodically causes the computer system to "crash" and requires a reboot, even with 8 GB eMMC replacement having already been installed. This means that vehicles with MCU1 (generally model S and X manufactured pre-2019) are increasingly becoming safety risks on the road because the MCU1 system crash can occur at any time, even while driving (not just when the car is going through it's start-up cycle). Whenever this occurs, it means the driver is unable to change the headlights which is especially harmful during dawn and dusk hours since these models do not have daytime running headlights. Drivers may be unable to use turn signals, unlock power doors (the Model X has power-driven doors on all sides) and advanced systems may be inoperable during the MCU1 rebooting process. This issue can be resolved by replacing the MCU1 operating system with the MCU2 operating system, but Tesla requires MCU1 owners with Auto Pilot Computer version 1.0 to pay $1,750 for what they are calling an "infotainment upgrade." This is disingenuous terminology used by Tesla because the MCU1 operating system is not just for "infotainment" - it is beyond that and includes significant safety features as mentioned above (headlights, doors, locks, windows, ADAS, and more). Tesla needs to cover the cost of replacing MCU1 with MCU2 or a new system that is stable and does not experience frequent data crashes. In other words, there must be a fix beyond the 8GB eMMC "band aid" that has not resolved the chronic failure of MCU1 systems. This is a continuing safety issue and driving hazard for all Tesla owners with MCU1 until a recall is issued.