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I don't think this yellow borders issue is related to heat at all.
I began to see those yellowish lines on my MS main screen early this year - though the temps outside weren't higher than 20°C (and my car is almost all the time in a garage, may it be at home or at work).
I began to see those yellowish lines on my MS main screen early this year - though the temps outside weren't higher than 20°C (and my car is almost all the time in a garage, may it be at home or at work).
LMichel
Member
Agreed. I live up in the Northeast where temps rarely reach 90F. My 2017 S75D always goes from my garage, to a parking garage. On occasion, I'll take the car to the mall, etc. But I always look for a shady area to park it. Usually I never have to, considering that it's cloudy more often than it's sunny up here 
I'm scheduled for my first MCU screen replacement later this week. In fact, it'll be my first Tesla service ever.
I'm scheduled for my first MCU screen replacement later this week. In fact, it'll be my first Tesla service ever.
Mine was replaced in October... So this screen lasted about ~10months before the issue showed up again.
Had mine replaced in my Model X for the second time. First was Sep 2017 and they replaced just the screen, I guess (1087293-00-A). This week I'm guessing they replaced the whole MCU (1098010-00-D). Took a few days, since they said the firmware push to the MCU can be tricky and it failed a few times.
Just under 11k miles at the 1st replacement, just over 23k miles at the 2nd.
Just under 11k miles at the 1st replacement, just over 23k miles at the 2nd.
Is the new MCU a MCU2, or just the old model?
Feel any diff in terms of responsiveness?
Thanks
It's the old MCU hardware. I asked if I could pay the difference to just have the hardware swapped to MCU2, but was told it wasn't available. Performance seems the same, which was improved a few updates ago.
When it fails again, I'll see if an MCU2 upgrade is a possibility, but it sounds like even MCU2 owners have had the yellow screen issue.
navinsiri
Member
Also happening to my car again about 9 months after the first replacement except now my car is out of warranty. Got is replaced again today and luckily the new replacement is covered under the 1 year parts warranty.
I agree. I've had my screen replaced twice now. While is does get hot here, I have cabin overheat protection enabled and my car is garaged at home and usually in covered parking when I'm out.
mknox
Well-Known Member
Agree. My 2013 S lasted 5 years, 100,000 miles with absolutely no screen or MCU problems at all. My new X already has the discoloration.
Uncle Paul
Well-Known Member
I have it too.. .Been waiting 2 months for a replacement.. but know Tesla they probably forgot to order it again or they already received it but their customer service is so poor that I have to call them to find out even though they said they would call me as soon as it arrived.
The problem with the prior screens was that the glue leaked and caused bubbles around the edges as well as gooy stuff leaking into the dash.
Hopefully the MCU2 screens resolve both problems, but they are a different resolution so probably not a direct replacement.
Seems like they forgot to order it. They ordered mine on Monday and received it Wed
