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Hi, 2 months ago my emmc was changed by a swissbit. Everything worked fine. Since yesterday I have big troubles with the MCU. This week I received an update 2020.8.2, I installed it. Yesterday I drove the car, spotify did not work at all, I rebooted the mcu. It took a very long time to reboot (maybe 10min). Then it did not work well: unable to connect bluetooth, big display problems, no communication anymore with the app.
I tried to reboot, it is now black.
I pulled off the fuse, put it back. The mcu is always black.
The dashboard displays that I don't have anymore parksensors. It don't have anymore rampage. It is like my mcu is dead
What can I do ?
So has it been confirmed that DC2DC will not top off the 12V battery without the MCU? Does this mean if the MCU dies, your 12V battery is only few hours behind (that is what happens when HV is disconnected, 12V battery dies in few hours)?@whitex
2.I will also clarify the post to state tender only while mcu is out. Some people dont put mcu back in car till they get tegra back from me a week later, so tender is needed. If MCU is returned to car, DC2DC converter will use HV battery to charge the 12v as normal.
Thanks for the answers @EV-Fixme
So has it been confirmed that DC2DC will not top off the 12V battery without the MCU? Does this mean if the MCU dies, your 12V battery is only few hours behind (that is what happens when HV is disconnected, 12V battery dies in few hours)?
Contact these people: Multi-Com.eu » Cell Phone Service, Repair, Unlock - Software, Tools, DevicesMy MCU was failed and eMMC changed. However, the vpn credentials were not survived so now I have a car without 3G, App connection etc.
Does anybody know if I still can Supercharge or not? I have Unlimited Free Supercharging in my car.
yes he asks me to resend him the tegra board to verify itHave you already contacted the person who replaced the emmc for you?
yes he asks me to resend him the tegra board to verify it
We have a 2015 model S. 68K miles. Our screen just went black and need to replace the MCU. The eMMC is the issue.
I've done DYI repairs on our Tesla but removing the MCU is beyond me.
The SC in Berkeley CA gave option of a reconditioned MCU for $1,600 or new at $2,100. (+ tax). 1 year warranty for either.
Questions for anyone in this forum are:
Is Tesla truly recording less onto the eMMC and thus should they now last longer?
Do 'reconditioned' eMMC have all, or almost data erased? Will it be 'clean.'?
Does the MCU-2 have the larger 32Mb eMMC?
Can I insist on a MCU-2? Is it compatible with a 2015 S? (The SC couldn't answer this. He is looking into it.)
Has anyone been able to keep the old MCU? I think if I buy the new MCU, Tesla shouldn't keep my old one; there is no exchange. I assume I could use this old MCU, next time the eMMC fails.
Thanks.
If the MCU was reconditioned due to some other failure (not emmc), do you have any confirmation they still replace the functioning emmc chip with a brand new one? Anything else that they replace no matter what was broken prior to reconditioning?The eMMC is not reconditioned. Its a new chip
We have a 2015 model S. 68K miles. Our screen just went black and need to replace the MCU. The eMMC is the issue.
I've done DYI repairs on our Tesla but removing the MCU is beyond me.
The SC in Berkeley CA gave option of a reconditioned MCU for $1,600 or new at $2,100. (+ tax). 1 year warranty for either.
Questions for anyone in this forum are:
Is Tesla truly recording less onto the eMMC and thus should they now last longer?
Do 'reconditioned' eMMC have all, or almost data erased? Will it be 'clean.'?
Does the MCU-2 have the larger 32Mb eMMC?
Can I insist on a MCU-2? Is it compatible with a 2015 S? (The SC couldn't answer this. He is looking into it.)
Has anyone been able to keep the old MCU? I think if I buy the new MCU, Tesla shouldn't keep my old one; there is no exchange. I assume I could use this old MCU, next time the eMMC fails.
Thanks.
Wow. A part on a car wears out. That’s a new thing without precedent! Every part failure is ultimately the result of a design issue. Everything should last forever. The big, bad manufacturer should pay for everything forever, amen.
If you can find a lawyer, good luck with your case! Especially in view of fact Tesla will repair for free under warranty, or for ~$1500 out of warranty, and there are even cheaper 3rd party options.
overall, maintenance and repair costs for the average Tesla are tiny vs ICE cars. I remember taking in BMWs and never escaping without a near four figure invoice.
I’m potentially affected by this on my 2012 S. Hoping it fails in the remaining year of warranty so I get it for $200, but if I have to pay $1500 or $1300 in a couple of years, it’s not going to cause me any angst.
ZMUKS, you could make an argument with someone that Tesla is culpable. But who are you going to make the argument to? I guess you mean Tesla would be culpable to someone, but for what? Parts fail. Engines, transmissions, brake pads, hoses, belts. Stuff fails. Put this in context for a minute. The eMMC that's in cars up to 2017 was designed in 2010 for Teslas. And back then the firmware was about 300MB and installed on 8GB eMMC chips.
I've been counting failed eMMCs on TM and TMC for several months. I've gone back and looked at threads covering as early as 2014 and forward. I've read probably a hundred plus threads and thousands of posts to get numbers. On both these forums, I've documented 175 failures of which 42% are 2015's. These are only those eMMC failures reported on TM and TMC forums. No numbers for replaced MCUs by Tesla. And even some/many of those fixed by Tesla were under warranty and didn't cost the owner the full replacement price. So, even if we knew the number, its going to be discounted for those fixed without costing the owner.
I try to keep in touch with the 3rd party guys out there fixing eMMCs after they fail and preemptively. I'm not naming them, but that count is closer to 1,000 My counted 175 - some were fixed by these guys, and the count is still only 1200 or so. I'm confident there's double or twice that many - maybe even more. But no hard facts. Just for my post here - let's stick with the 1200 and then double it. That's 2400 then. So bounce that 2400 against the Tesla reported cars built from 2012-2016 of 184,605. The number of replaced eMMCs is just over 1%. That's a small portion of MCUs to fail within 5 years. That number is amplified in these forums and appears to be a much bigger number than it is.
If your eMMC failed, then it hits closer to home. But its not serious enough to get someone to force Tesla to replace eMMCs especially when they already are repaired if the car is still under warranty. And the MCU is warranted for 4 years as one of the exception parts with with a longer warranty.
Did you consider asking for priority on the infotainment upgrade?