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  1. CAF

    MCU replaced 1 month ago; replacement now dead

    MCU went out in our 5-17 build Model S and was replaced at our Tesla service center about a month ago with a "reconditioned" unit. Almost immediately had problems with increasing random reboots, then MCU failed much as before, less than a month later. So again, no center screen, no turn...
  2. CAF

    Cruise not available

    2017 75D, early May build. Ever since delivery, cruise control (and autopilot) fail to work intermittently, about 1/2 the time overall. When it works, it works from the time the car is started for the entire trip. Other times, from the start of the trip there are no visible lane marking on...