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Since my UWC was updated to the HEAD (3CAE3FBA856679) firmware, it has worked flawlessly, charging my wife's Rivian. Shared charging on the same circuit with a Tesla-only Gen 3 wall charger has also worked fine, splitting the available amperage between the two vehicles when charging...

Tesla pushed the aforementioned HEAD (3CAE3FBA856679) firmware to the UWC today, and low and behold, the Rivian began charging immediately. Only one charging session so far. We will see over time if it's reliable.

No. I am on the regular 23.24.3. I have not yet been offered anything directly from Tesla.

I have done everything to try and get the UWC to charge the Rivian, and still nothing. I have started an email discussion with Tesla, who is having me run through the usual "try universal setting and give it an hour," blah blah blah—still nothing. The latest firmware is installed. Hopefully...

It is not that clear in the installation instructions. There are statements like: "See below for examples of Wall Connector power-sharing diagrams (one with sub-panel and one without)." Nowhere does it explicitly say they must be on separate circuit breakers. Later in the manual, there is a...

My wife, a reluctant EV adopter, and I picked up our new Rivian yesterday (for her). Two weeks ago, I installed a Gen 3 Tesla wall charger on my side of the garage (Model S) and a universal wall charger on the other side for the Rivian to use. The chargers share the same 50 Amp circuit, and the...

I have an Oct 2016 car as well. During a mobile visit for a very unrelated reason (repeater camera replacement), the tech connected to the car and told me there was an alert dealing with the front louver mechanisms. I had no screen error messages, but I had had some irregular AC issues not...

I have watched a good sampling of the v9 videos, and it is certainly not ready for prime time, reinforcing how far we still are from anything being close to the FSD promise. But I WANT it. I paid for this software promise 4 1/2 years ago. I think we all forget how terrible EAP was when...

The above post is correct. You need to take a cold tire pressure reading before driving the car that day and inflate to 45 PSI. You can not rely on the TPMS readings while driving the car. The pressures while driving will be influenced by the heating of the tire and will vary based on...

The herky-jerky movement of autopilot is the one reason my wife will not allow me to engage it when she is in the car. I have always felt like autopilot looks no more than 10 feet in front of the car for lane management. Whenever lane lines disappear for even 20 or 30 yards, the car freaks out...

I have a 2016 AP2/MCU2 upgrade car and noticed a couple of times recently that the car was not cooling the interior correctly, but only on preconditioning the car. These were sunny days in CO when the interior temp rose into the 90's, but the exterior temp was still in the 40's. There was hot...

“Download Beta” button to Service section

The problem with wind noise is the decision Tesla made with all their models to not have a full-frame around the window. The majority of wind noise comes from the lack of a good seal right next to your ear at the top of the window. No soundproofing will remove that. Road noise likely can be...

A coworker and I both lost connectivity from the phone app a few days ago (Model S and Model 3). My car will connect on wifi only, but not over the air with cellular to the car. We figured it was most likely an AT&T to car problem, but will see if it suddenly corrects.

I as well own a late 2016 MS but a 90D. Unfortunately, reading through your essay reminds one of the steady declines in anything remotely resembling customer service for Tesla. I as well got a few pieces of swag upon ordering at a "showroom." At the first service appointment, I felt like a...

I just got this error message today for the first time ever, but it had nothing to do with Home Link. I was still about a mile from home. However, I did just replace snow tires on the wheels, so I thought it might be related to the wheel locations' reshuffling. I reset TPMS monitoring in the...

What's frustrating is that speaker delay is such an easy thing to fix. This is basic DSP stuff in creating a proper soundstage. And yes, the human ear is very capable of perceiving a 12 milliseconds difference in sound signal. The human ear/brain can localize sound direction with an interaural...

I just noticed this on a local two-lane highway here in Colorado with deer crossing warning signs. In the fall, yellow flashing warning lights are turned on. A 60 mph highway with no map data to indicate a traffic signal for miles suddenly causes the car to slam on the brakes just as it passes...

I would bet 90% of owners don't even touch the EQ, nor even understand the use of it. This is the main reason a manufacturer needs to give a balanced system to begin with. Let someone who knows what they are doing design the system and optimize the sound. Most end users are not going to mess...

Out of curiosity, I looked up some dates. MCU2 was launched in March 2018. I couldn't find the exact date but only references made to the fact that all Model S and X were produced with only UHFS by "mid-2018." That is pretty close timing. Were there any MCU2 cars originally produced with...

I think you're correct to some extent, but more than the listener's age, I would say it represents the type of music you listen to. Listening to a nice jazz quartet with the bass cranked to "11" would be atrocious. But listening to some of that music "those young whippersnappers" are listening...

Well, I think I'm a good 6 hours from you in SW Colorado. I do have a friend with a Model 3, so maybe sometime I'll do this, but no promises. The build date of the car is October 2016. That was the month Tesla changed over to autopilot hardware 2.0 with all the extra cameras and such. I...

This is what my front camera looks like as well. The side repeater cameras are very clear compared to the front camera. I will at times get autopilot limited/unavailable messages with high contrast times of the day such as dusk and dawn. Do these cameras need cleaning or is this par for the...

I'm glad to hear this helped. Looking at your settings, I think you hit on what is most important, which is EQ slider 2 and 3. These control the frequencies of the human voice (roughly 100 Hz to 1000 Hz). If that is screwed up, music tends to sound terrible, and the default in my Tesla was...

For all the graphs that I posted above, immersive sound is off. In the end, when I dialed in my EQ settings, I did run a test with it on maximum, and there were no significant frequency changes. The best I can tell, it is using some digital signal processing to create a wider soundstage, but it...

So in this thread, there have been many questions about the audio coming from MCU1 to MCU2. After my upgrade over a month ago, I was initially disappointed with the sound of MCU2. After a month of frustration in trying to tune the system but never getting it quite right, I decided to spend a...

Background as to why I did this project: I own an October 2016 model S 90D. This was one of the first autopilot two cars made (which I paid for), ordered with the premium sound upgrade, and came with MCU 1. When I first took delivery of the car, I thought the sound system was excellent and much...

Solar is never a "non-starter," it's just that some locals are going to have a longer payback period than others intrinsically. I live in Colorado as well, with rates at about 0.11/Kwh. I invested in a solar system six years ago when the payback was about 11 years. Solar prices have dropped...

Headlights are very easy to adjust in the Model S. Personally, I set mine to the max hight just before I get oncoming cars flashing me. Too many deer that I need to see early. It can make a huge improvement in visibility if not adjusted properly.

I have definitely seen variability when I pass through Poncha Springs. It is my main route when traveling from SW Colorado to Denver. I don't pass through frequent enough to know if it's just temporary at the time. I have seen it when I couldn't get above 50-60, but last time through in early...

So I have now had the MCU2 update for three weeks. It is such a pleasure not to have to fight the car anymore. No MCU slowdowns, no reboots, no phone connectivity issues; everything just works now. The only problem I have had was a thumb drive that got bricked recording dashcam footage, but...

My service center ordered the "B" part number, but at the time of service, they also installed a new screen with a separate part number. There was terrible communication before this, which is the detriment of Tesla's service. In the end, everything was done correctly.

A simple infrared camera and a heads-up display would be such a simple addition to vehicles. I have never understood why this type of technology has not been adopted. Maybe because most auto manufactures are based in large urban environments, and they lack the understanding of the immense risk...

One more thing to note for those considering the upgrade: The depiction of the ultrasonic sensors in the IC update and react much quicker on MCU2 than MCU1. I use these daily when parking in my garage and noticed an immediate improvement. Everything with MCU2 is faster! I am very glad I updated.

Not simple but possible. Replacing instrument cluster Tesla will likely want $1000+ to change this display out. If I were you, in a 2016 MS I would seriously consider putting that money towards upgrading the entire MCU1 to MCU2 for $2500. If you haven't yet had problems with your MCU (the...

BTW, No, it can be done in a matter of a few hours at most. Mine was done in a day with 3 other warranty concerns addressed at the same time. Also, please everyone check the installation thoroughly before you leave the service center. There are useful checklists posted elsewhere (opening...

I had the same part number ordered, but then the final service was the following with the display included as a separate part. You need to just verify what the service center is actually planning to do. Very tough to do prior to the actual visit with the poor communication Tesla excels at...

I think I made this comment when I received a new screen unexpectantly in my MCU2 upgrade. I obviously knew the feel of my old screen after having driven with it for 3.5 years. The new screen felt "sticky," as in my finger did not glide across it as well as I remembered. It may have just been...

Very good information: USB Flash Drives for Tesla Dashcam | TeslaTap

So screens may be in short supply, but... I just had an MCU2 upgrade on my Oct 2016 MS, AP2, MCU1, FSD pre-purchased. The service center ordered the "B" part number on the MCU2 upgrade (no screen). The part arrived in 2 1/2 weeks, and I scheduled an appointment for a week after once the...

MIne took about 2 weeks (in Colorado with the "B" kit, no replacement of the LCD display), and the car is in for service today :).

I'm taking the plunge and going in tomorrow for MCU upgrade, sans screen replacement. 3.5 years with a screen that still looks as good as the day I bought the car. Why mess with fate? Maybe I got an original screen from a good batch. Plus less electronic waste to recycle. Hopefully, I don't...

Perhaps Tesla sees the writing on the wall with the outlook of their first major mandatory safety recall of every vehicle with MCU1. That would be a lot of new MCU1 repairs that will be under warranty. Cutting two years off of the warranty is pure $ thinking. They will be forced to spend on...

What the hell?! This has got to be one of the sleaziest things I have seen Tesla do. I have to think it has to do something with the recent investigation into MCU failures and Tesla not wanting to pay for any warranty repairs further down the line for the piece of junk technology they...

Does the MCU recognize the USB hub for data transfer of multiple drives? For instance, could someone have two thumb drives with music plugged into the hub, and both be recognized as different USB drives in the MCU?

Hope. Pure and simple. Hope that Tesla would allow owners to alter their cars, especially if the vehicles are out of warranty, and work with those owners in a friendly manner to support the long term ownership of those vehicles. What other car manufacturers refuse to allow aftermarket...

That makes no sense. Everything I have ever heard is that the original instrument cluster is its own computer separate from MCU1, and that MCU2 drives the display on the newer instrument clusters, which is just a dumb slaved display. How can they be upgrading to MCU2 without changing the...

Thank you for showing your service estimate. Between my original estimate (for FSD retrofit only) and the new part ordered for the MCU2 upgrade "without display", I now have every part number ordered that your estimate shows. This at least gives me confidence they are ordering the correct...

Oct 2016, MS, MCU1/AP2.0. I think Tesla is making it very clear that MCU 1 is being left behind in any future updates in function, as evident by the new back up camera/side camera display. It's an old beaten horse that needs to be put out to pasture. I decided to bite the bullet and scheduled...

I know people have said that the FSD computer works with MCU1, but these kinds of reports (many recently) make me start to wonder if MCU1 is up for anything further developed by Tesla. I am scheduled next week for the autopilot 2 to FSD computer upgrade. I am fairly convinced I will upgrade to...