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I had a very similar experience with my refresh 2016 S as well.I don't often go online but this one I have to share my experiences regarding this frustrating faulty eMMC issue, with our much loved MS/MX's and not so much loved MCU1 units.
To summed up short. I made the appointment with the nearby SC and took my MS in yesterday 11-04-2020. The service representative acknowledged the black screen of death and before he can charge me for the daughterboard replacement cost, I showed my frustrations toward a wide range of failures for all of the rest of the owners (semi raise-hell) but not offended anyone in the office. I demanded a complete free/waiver of the replacement cost. He checked my serviced histories and then replied "yes, let see what I can do, I think I can ask my manager to approve this change with zero cost; I think I can do this for you!" Music to my ears! Although it wasn't 100% sure while I was at the SC. I left and got home around 30 minutes later, and I got a text from the service representative "I got it approved!".
Model S 2016 Facelift-Timeline (shorten for eMMC issue only):
-First 3.5 years of operations, twice the center screen gone black, but were able to rebooted with scroll-wheels.
-3 months before its 4th birthday, it went black, reported via App, virtual repair via OTA brought it back to life. The engineer advised me to "reset the Trip A/B frequently as it doesn't just counting numbers..." He explained to me memories are being bumped with new autopilot and all the other info written to it, and that it requires some room for booting up the center screen when we enter the car (he refused to admit all the written extras for Tesla's benefits). I checked and Trip A/B both had original mileages almost matching Odometer since I hardly reset them since new. Tesla could have at least warned all of us sooner...however doing so will admit their use of the $10.99 memory chip in the eMMC.
-Black screen of death returned exactly a month before its 4th birthday. Reported via App; took MS into SC; the service representative told me they will look at it but if I do want a newer MCU2 I have to wait one week or longer. I told her about this "known" faulty chip in the eMMC and demanded a free replacement of the MCU (1 or 2) since my MS was still under the basic warrantee. She refused and the MS was in for a week (don't now what they did for a week in the SC). They returned my MS and said "it will run a long time from now now".
-Two months passed, it died almost a month after its 4th birthday. Mileage 41,000
-Reported it to SC via App. They took it in. This time, ....and the above happens...with no charge.
Service Estimate:
Replace Tegra Daughterboard Inside MCU (Model S)
MSX MCU TEGRA VCM REV-B/C-PROV (64GB)(2728212-S0-B)
Total parts/labor: $0.00
My 2cents. Even if I had to pay the $500 as originally quoted, I would; rather than a new MCU2. Can Tesla guarantee a good MCU2? Is this really a permanent fix? I guess not. I don't have and I don't use/trust FSD just yet. I don't need a new MCU2 board.
....will check back and update how good is this replacement of daughterboard really is.
Good luck to all!
I would confirm if I were you otherwise it’ll be an eMMC health check, clearing of map tiles, cache etc. and send you on your way. If your MCU isn’t dead right now, daughter board replacement is highly unlikely unless you got that new warning message pop up.My 2014 Model S 85 goes in to the Marin Co. California service center Friday for what I called in as MCU problems, reboots, slowness, etc.
Hoping they’ve ordered the part and can do the job. Will report back with experience.
Agreed. This was my outcome with the same complaint with my MCU1. In fact, they cancelled my appointment and just cleared my cache remotely.I would confirm if I were you otherwise it’ll be an eMMC health check, clearing of map tiles, cache etc. and send you on your way. If your MCU isn’t dead right now, daughter board replacement is highly unlikely unless you got that new warning message pop up.
Does the part 2728212-S0-B include the LTE upgrade? From reading this and many other threads there are a few options for getting LTE--including an entire new MCU2 versus just getting a daughterboard/daughterboard chip replacement. I'm wondering if the aforementioned daughterboard replacement number includes the LTE upgrade.
Ok, thanks for the information.I don't know about the part numbers, but when I enquired about a replacement eMMC I was told the LTE upgrade was a separate chargeable job. They told me the cost of the LTE upgrade (around £400) was in addition to the eMMC replacement and would be the same if it was done as a separate exercise or at the same time as the eMMC replacement.
Out of curiosity which service center?Got another runaround today.
Van NuysOut of curiosity which service center?
I wonder if it would be worth it for you to “shop around” different service centers...Van Nuys