2015 Tesla Model S: won't start

Filed Apr 18, 2024 · Electrical, Fuel system · TX

The component that Tesla has stated is the part that is failing is the MCU (Media Control Unit) which was a recalled part at one point but then Tesla decided to replace only a single part of the MCU which was the eMMC (embedded MultiMedia Card). Luckily the vehicle was not driving when it completely shut down and would not start back up but I was stuck in a restaurants drive-thru for roughly 4 hours till I could get a tow truck to come tow it. The tow truck had to put the car on dollies as the vehicle would not enter tow mode nor would it enter its emergency neutral mode so the vehicle could be moved. The windows would not go up or down and luckily the trunk was able to open because if not then I would have been stuck outside my vehicle as the door handles did not come out after I got out of it and closed the door behind me. Please read the messages from the tech as you will see that they tried to act as if they did not know what was going on with my vehicle but then i asked something else and they stated exactly what the issue was but supposedly could not confirm it was that unless they charged me a diagnosis fee and "got hands on" which I'm sure that info of what was wrong with my vehicle was nothing they needed to get their hands on. There were no warning lamps or messages UNTIL the vehicle shut off on me in the drive-thru and then the warnings started to populate staying that the vehicle was off, vehicle could not detect brake being pressed, and that the vehicle was not detecting the key. The repair estimate is no longer available in my app for some reason, probably because I did not repair the vehicle as they were wanting me to upgrade to the new MCU that is in the current vehicles and it would have been roughly $2,400.00. Just today, the vehicle would not start, would not move my seat or anything to its memorized position when I got in the vehicle and the screen was frozen, just as it did when the original recall happened of the MCU/eMMC, photo/videoattached.

Filed Feb 1, 2022 · CA

The Navigation system stops and doesn't start. Checking on Google, I see that this has happened to many Tesla Model S owners who have an older model. This is because of a chip store card that fails after 4-6 years. On a long drive, this doesn't take us to the next super charger. This can cause the car to stop suddenly when it runs out of charge, and create risk for drivers and for other vehicles on the road too. The navigation is important on Teslas to know that one can safely complete her journey without running out of charge.

Filed Jul 14, 2020 · 80,000 miles · FL

Failure of the mcu and emmc. Loss of following * turn signals * backup camera * defrost defog both front and rear * odometer. Doesn't change * recent range/power consumption info * proximity warnings - no detection of other vehicles or obstacles * ability to lock/unlock vehicle from inside * charge above 80% * rate of charge above 8mph * control of temperature * huge daily range drain 6kwh/day or 18mi/day caused by pumps and/or blowers running continuously * car won't start for 60sec after stepping on brake to activate * garage door opener 'tesla selected a flash chip that is unable to handle the constant read/write functions. These chips have since been replaced with a more robust version.' tesla model s mfd 02/2015

Filed Jul 5, 2020 · Brakes, Electrical · 59,400 miles · NV

The main screen, mcu, on my tesla model s, 2015 70d began rebooting during driving. On saturday, july 4th, 2020, the car would not start at all. Tesla customer service coached me on getting the car to work without the main screen, however it is not safe. The brake lights, signal lights, rear camera do not work, verified by my spouse. Further, most of the other controls, e.g. De-fog, air conditioning, roof, etc, do not work. The re-booting of the screen, where it would blank out without warning, and eventually come back later, occurred while the car was in motion -- very distracting. At this point, the main display, or mcu, is "bricked" -- it won't display anything at all, so that has happened when the car is stationary.

Filed Jun 24, 2020 · Electrical · 44,437 miles · DE

Primary touchscreen failure (mcu). The car was stationary parked in garage. The primary touchscreen failed and would not start. Air conditioning, turn signals, and backup camera stopped working, along with all other settings because non-functional. Car is 5 years old and 45,000 miles. The mcu touchscreen had to be replaced.