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MCU Yellow Border - Fixed!

Tdreamer

Supporting Member
Sep 10, 2017
1,052
1,590
Bedford, Massachusetts
As long as the car is under warranty, any charge for this fix is unreasonable. (I know Tesla's position is this is not a warranty item, but that's BS.)
I agree with that position completely. My car is just over two years, but now approaching 60k miles. I purchased an ESA bringing me up to 8 years / 100k miles - there is supposed to be a $200 deductible per ESA covered visit (in theory).
 
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bob_p

Active Member
Apr 5, 2012
3,669
2,791
Just noticed this on our 2017 S 100D with MCU1 - which already had the display replaced before Tesla stopped doing those replacements.
 
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DCGOO

Active Member
Nov 24, 2015
1,512
896
Indianapolis, IN
Indianapolis fixed mine last week. Two hours under the lights, yellow completely gone. First noticed last December. I still have yellow around the ICD, but not nearly as noticeable since that screen is generally not lit to the edge.
 
Last edited:
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jajabor

Member
Nov 30, 2015
137
82
San Ramon, CA
8B1FB4C6-F4DE-43FB-AE5F-D1AA134FB20F.jpeg


Really disappointing. It took me almost a month to get my appointment setup. Then I got the text above from Tesla Fremont today.
 
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bFlat

Member
Jun 29, 2018
86
60
San Francisco
Santa Clara, CA SC can has the UV tool. Got my screen treated last week when I went in for an unrelated service. I just asked them if they had it when I checked in and they simply added it to the work order. I never got advanced notice.
 

Varmint

Member
Jul 11, 2018
58
52
Spokane, WA
This pretty ridiculous. They pass this tool (or tools) around to random service centers, they don’t have any system on place to notify you when yours may have it, and they cancel any appointments made if they don’t. Are we all just supposed to make random service appointments at random intervals in the hope that we might get lucky with one? WTF, Elon...
 

wildag

Member
Jul 3, 2017
112
226
Fairfax, VA
And I’m back. My out of warranty S now has this yellow border issue for the third time. They used the UV tool on my in warranty X a few months ago. That cost a lot of time, but zero dollars. Now I’m going to find out what the price is for out of warranty UV applications.
 

markb1

Active Member
Feb 17, 2012
3,039
652
San Diego, CA
And I’m back. My out of warranty S now has this yellow border issue for the third time. They used the UV tool on my in warranty X a few months ago. That cost a lot of time, but zero dollars. Now I’m going to find out what the price is for out of warranty UV applications.

Could you clarify? Did the yellowing come back after the UV treatment? Or was it previously fixed with screen replacements?
 

MP3Mike

Well-Known Member
Feb 1, 2016
15,390
33,408
Oregon
Could you clarify? Did the yellowing come back after the UV treatment? Or was it previously fixed with screen replacements?

I thought he was clear. They used the UV on his Model X. Now his other vehicle a Model S, that is out of warranty, needs the UV treatment as well.
 

markb1

Active Member
Feb 17, 2012
3,039
652
San Diego, CA
I thought he was clear. They used the UV on his Model X. Now his other vehicle a Model S, that is out of warranty, needs the UV treatment as well.

He said, "My out of warranty S now has this yellow border issue for the third time." I didn't I see anything about how the S was previously fixed.
 
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FlatSix911

Porsche 918 Hybrid
Jun 15, 2015
6,559
5,959
Silicon Valley
For those of you who are fed up with Tesla and would like a DIY solution to the yellow border problem... here is an interesting fix. :cool:

Cross-post from ucmndd: DIY UV Treatment for Yellowed MCU Screen


https://www.amazon.com/dp/B07MDWKNMK?tag=tmc064-20


51yscwHfBJL._AC_SL1000_.jpg


My late 2016 Model S was one of the earlier cars to exhibit the infamous yellow ring on the 17” MCU screen. I had it replaced early on, right before my warranty expired, before the prevalence of the problem was really known. Now about a year and a half later, the replacement screen has once again yellowed and I’m well out of warranty, about to turn 100,000 miles. I’m far from a service center, have no idea if Tesla would charge me for the UV treatment, if they even have the tool, and frankly don’t have the time or interest to fight with their service organization about it. But hey, it’s just UV light, right? How hard could this be?

I did a little research and determined that most adhesives for glass bonding are cured with UV light in the 365-400nm range. After a little poking around on Amazon looking for a reasonably powerful light in that spectrum, I settled on this bad boy for $35: https://www.amazon.com/dp/B07MDWKNMK
 

mjptech

Being cyberbullied by TMC users PhilDavid + DCEV
Mar 30, 2019
468
169
Ventura
As I said in the other thread where you asked this same question, how would we know? It takes as much as a year or more before the yellow border appears.
Incorrect..

Others have also pointed out that it can occur in months, if not less.

My X was manufactured in March of this year. I purchased and received it in June with 6 miles on it. No yellow border at the time. By July, I could see a faint yellowing developing. Now, I can see it, especially on lighter screens (daytime versus nighttime), and also, my instrument cluster has the issue as well, which is much more prominent.
 

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