I don't know how he activated Service Mode Plus, he took out his laptop with an Ethernet cable, but he didn't use it (oh, maybe he connected the car with USB-C port? I'm outside of the car, so I didn't see it). He was always looking at his phone, then my Model Y went into Service Mode Plus. Then nothing special, like everyone did last year, Low Voltage -> HomeLink, activate it.
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Homelink retrofit install failure
- Thread starter canbonbon
- Start date
Installed this today on my own with no issues. MY 2024 running 2023.44.300.
i would do that but the question is can anyone confirm that it actually works by doing it ourselves. I guess that’s not bad if it’s only a one time thing.
eBear
Member
Also note that this video demonstrates installing the Homelink module backwards from what the Tesla service manual does.
I went to a Tesla Service center today to ask about having the homelink I installed activated and they told me I had to make a mobile service appointment in the app. After schedulimg the mobile service appointment, I was quoted $56.30 for the install. I told them it was already installed and just needs to be actoivated which should take no more than 3 minutes. I mentioned I could drive to the Service Center 4 miles away to have it activated and they replied that I had to wait to have the mobile service perform the activation. $56.30 for 3 minutes, what a racket! I told them I had no issue performing this task last year myself.
Agreed. However he does offer correction at 03:55 in description by offering another video where he has put the bracket correctly:
I did put the bracket correctly and it was a pain. There is no easy way to do it but I was able to get it installed. the right way.
If you had read the entire thread, you'd realize that this is a software issue introduced in a more recent software update. You are extremely lucy that you are still on 2023.xxx software and that is why you were able to install it. Most of us are on 2024.xxx software that was released in first week of Feb. This issue started with 2024.xxx software. All new Teslas being delivered now are already on 2024.xxx (and beyond) software. So that is why none of us are being able to install while folks with 2023.xxx continue to post that they are successful with the install. We already know that. If you happen to be on 2023.xxx it will work, but if you are on 2024.xxx it won't work. Its as simple as that. Also, I am not aware of any way to go backwards on Tesla software version.
Now if someone that has Service Mode Plus can confirm that we don't run into that issue when the retrofit button is clicked while on Service Mode Plus, then I don't mind getting the 1 hour option to enable it but so far no one is able to confirm that. Even if someone tries to run it without the module installed, just to see if the error occurs with the not authorized.
eBear
Member
I got this error yesterday while reinstalling my Homelink module that I originally bought for a 2020 MY. I scheduled a mobile service appointment and had to answer the question as to whether I had purchased the module with a "Yes". I left a message in the chat for that appointment asking whether it could be addressed remotely. I received a call from a service advisor at the local service center. He wasn't initially aware of a fix for the problem without connecting a laptop, but committed to doing some research. He learned that it was possible to address the issue remotely and did just that! I'm a happy camper now, at least as far as this is concerned.
Still think this only pertains to NEW installs on vehicles running 2024 already. For anyone new to thread or just reading, see @canbonbon post a few above mine…
Had the same issue as everyone on 2024.2.7. Went to a service center and a manager helped put my model 3 in service mode plus--installed immediately with no issues.
Try a different SC if you have one. Alternatively, try another day and see you can talk to another agent.
I went to a different SC today and they wouldn't help at first because the advisor on service chat previously told me that they will not be able to configure my new vehicle with a used homelink. I complained a bit about them just not wanting to help even though they can and referenced this forum and then they said they would send an update to the car but if it doesn't work then I'm out of luck. Well it worked just fine so I thanked them for helping.
What update did they send? What update did you ask for? Also, what firmware are you on? Thanks!
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