Mcu failed. When it failed car would not shift into drive. Before failure mcu was constantly rebooting while driving. During reboot would lose headlights, turn signals, radio, and air conditioning. Complete failure occurred while stationary. Rebooting occurred while driving.
2015 Tesla Model S lights complaints
Page 3 of 3: complaints 41 to 46 of 46, newest first, as owners wrote them.
Tesla model s 2015, the main screen (mcu) goes black on/off. The manufacturer suggested doing a reboot, but it did not help. Now mcu is permanently black (non-functional) and the car has lost many functionalities, including two that are safety risks, there is no rearview camera and turn signals don't work.
The mcu/screen stopped working and I was able tondrive, but not use any safety features, including blinkers, back-up camera, or navigation. It took over a week to get a service appointment and the item was not covered under warranty, so I had to pay over $1600 out of pocket. The car was not in motion when the failure occurred, and I was able tondrive, though not as safely as expected.
My vehicle was serviced by tesla's sunnyvale service center and when returned, they obviously never did a safety test. After driving down the street I found they didn't reconnect several cables, including the fog lights and the emergency flashers. They also disabled several safety features (lane departure warnings, speed warnings, door locks, child locks) without telling me any of this!
12v battery has started failing, been over 2 months, tesla keeps cancelling appointments to fix. Car is going to die on the road on me.
There is a flaw in the tesla emmc which will inevitably cause a critical portion of the chip to fail prematurely, due to constant excessive logging within the touchscreen system. Ultimately the memory chip fails and the touchscreen goes black, placing the car in limp home mode, the parking sensors and rear view camera no longer work, it will not charge and effectively becomes un-drivable when the battery runs out. The emmc is a linchpin component for the functionality of the car. The emmc, though it does not control the car's propulsion, braking or steering, is the heart of the touchscreen which is used to turn on headlights, adjust HVAC and all car settings run through the touchscreen. The HVAC unit now has a "dog mode" which keeps the cabin cool for dogs or occupants waiting in car. The failure of the touchscreen unit while in dog mode could result in heat-related fatality, should an owner. For more information here are some references: - video showing an engineer who's helped several hundred customers disable logging between minutes 8 through 12: https://youtu.be/o-7b1waoj9q?t=499 - a recent article explaining the flaw: https://www.thedrive.com/news/27945/a-single-component-can-brick-older-teslas-and-tesla-wont-fix-it this has been a known problem by the tesla owners community for upwards of a year now and requires a simple software update to remedy - disable logging to emmc memory. According to other owners, this problem exists on all current and past tesla models and it is a matter of "when" not "if" for all chips to fail unless they make a change to their software logging.
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