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I just got a call from the service center and they informed me that the coolant valve was not attached all the way. I hope that it did not damage my battery pack. It's kind of funny how they said it was a firmware issue first. I bet they forgot to reattach it or something at the service center.

I think that is their default response when they don’t know what’s wrong LOL

I was also kind a hoping that someone on the form had the same problem

I hope it’s just a simple firmware thing but it was just really coincidental that this issue happened right after it was in service. I never had these type of firmware issues with my M3

The service manager was the one who dropped the loaner car off when I was stuck he Was the one who said it was a firmware thing. But what confuses me is if this bug can you disable your entire car why would they not put it out sooner

Can’t because the car is still in service

When you car is in service they don’t show the firmware version. I just figured I would I asked the question because it doesn’t seem like It’s a firmware issue. This issue happened 20 minutes after I left the service center which is kinda of crazy

I was driving my Model Y when all of a sudden, I got an error saying regenerative breaking temporarily reduced and then vehicle shutting down and a few other errors; I was unable to get the car into drive again. The car was towed into Tesla and their Service advisor told me it is related to...

I just got another update the are Ordering a new wire harness and replacing the computer again this is crazy

Just got a call from Tesla today and they’re still trying to figure out what’s wrong. They said their remote engineer in team is still looking into it

I was just looking at the old service invoice before all this burning crap started happening. They replaced Battery - 12v (129182-00-B) and MCU (1098058-S0-K). Not sure if you can tell if they are Refurbished by the part #

I don't thinks its rodent damage because the car is garage kept and I never seen any signs of rodent in my garage before, but who knows the whole thing has just really freaked me out.

Yes it's back in service now

they kept me on MCU 2.5

The whole things seems crazy to me too. You would think something like this would show in the diag logs, but I am not sure what they actually did remotely or how detailed those logs are.

I just added some pics

here are some photos that I took. I think they may have thought the heater was on or something stupid like that.

I am wondering if anybody else has experienced anything like this in their 2019 Model 3. Tesla replaced the MCU due to Constant crashes. Car worked great for a week and then the computer started crashing again and with the added bonus of a burning smell. I took it into Tesla and they told me...