Losing LTE

Losing LTE

I've had my Model 3 for 12 days now - and I've lost LTE four times already. Twice I lost LTE for more than 24 hours. I live in a condo and park in my underground garage each night - but my iPhone LTE, while weak, still seems to work when in the garage. I've tried the steering wheel button reset many times, but that never seems to fix the problem. Even after I take the car out of the garage and drive it to work and park it in a surface lot, LTE still doesn't come back. I'm not that worried about not having LTE underground, but I feel it should re-establish when I'm back out in the open, non?

Would love to hear from others who've had this issue - especially those of you who park underground. I'm trying to determine if that has anything to do with it.

COrich | 6 december 2018

Tesla uses the AT&T network. So, unless you also have AT&T, your LTE reception has no bearing on the car's reception. And, being in an underground parking garage will severely attenuate the signal.

sophieclui | 6 december 2018

I should add to this.... I'm not particularly bothered by not having LTE in the garage. But when I get back out into open air, LTE does not come back, in some cases for more than 24 hours.

David3 | 6 december 2018

I had the same issue with LTE not reconnecting after getting out of an underground garage. Service center fixed it by replacing the LTE connectivity board. They just did a modem reset on the first try but issue occurred again. So far so good after the LTE connectivity board replacement.

transaxl | 6 december 2018

This has happened to me multiple times in areas where there certainly is coverage. I've owned the car for 1000 miles.

CharleyBC | 6 december 2018

I've seen this once. We were passing through a remote part of Oregon, so I figured no biggie. There's just no signal here. My phone (also AT&T) was in my pocket, so no data point to offer.

But we got to areas where it sure seemed there should be cellular coverage, but still no LTE. Eventually we got to Grants Pass, a real city, and still no LTE. When I went to the Grants Pass Supercharger, I did the two-thumb reboot, and LTE came back, full bars.

ajbutler45 | 6 december 2018

I was having a problem with the LTE symbol being greyed out with a line through it. It would also prevent my WIFI connecting to it. Did many two thumb reboots and it would work a while then stop. Called Tesla and they had me turn the car off for two minutes then back on. That was three weeks ago and no problems since.

hamiltonned | 7 december 2018

How do you turn the car off?

TeslaMarque | 7 december 2018

For some reason I’ve always had horrible cell reception at my house, I live in a dead zone. I have ATT for a cell provider, and it’s so annoying they ended up giving me one of those mini cell towers to use. I park in the garage and my Tesla is connected to WiFi, but I have left home and had no LTE service.

Tesla needs to refresh this connection, as I’ve driven all over our city in areas I know have good reception and it stays grayed out, like it doesn’t refresh because it originally couldn’t get a signal in my garage. Very annoying, because w/o LTE, you cannot use autopilot or NOA or any voice controls. Pretty annoying when you are driving around all day and can’t use the features to your car because it’s lost it’s LTE connection, and there’s no way to refresh this. I too have went an entire day without it. Then the day after everything works fine. I just believe they need to refresh this connection more often, like every 15 mins or something.

AWDTesla | 7 december 2018

Same here. I lose it almost every drive. Reboot brings it back.

roberts | 7 december 2018

I have had the car 6 months (22,000km). On any trip of a couple of hours or more I consistently lose the LTE for at least some portion of the trip. The outage lasts anywhere from a few minutes to 30mins. Software reboot makes no difference (ie if it was out , it stays out). Outage can occur anywhere. including within moderate sized cities (ie with populations of 300,000+), so I can't believe it is caused by a local cell tower desert). When I lose LTE I also lose the maps (ie map section becomes a giant white space with grid lines). I have never contacted tesla to complain on the assumption that it was either weirdly normal or a known bug (also the nearest sc is 3hr away). But as I read about others experience perhaps I should give them a call. Opinions?

Gmorgon | 7 december 2018

M3 delivered 3 days ago and I have had this problem repeatedly in the Coachella Valley (Palm Desert) area.

mrburke | 7 december 2018

I just started loosing LTE last week and it is getting more frequent and worse. I have had drop out while I was waiting at a light. I have AT&T on my phone and I have no issues with the phone in the area where the car has dropped it's connection.

CorkChop | 7 december 2018

Driving around town and noticed Slacker stopped playing then I noticed that the LTE icon had a slash through it. Stayed that way for about 20 minutes then randomly came back online. I'm in a very good AT&T service area and the disconnection was odd.

Evie3 | 8 december 2018

Yup, this happens to me as well. I also park in an apartment complex parking garage and will loose LTE. It isn’t consistent though because it also happens when I park out on the streets. I just then listen to FM or connect to my iPhone. It is inconvenient when I want to use navigation on the screen.

Miataguy | 8 december 2018

I posted this in another thread as well.

If you have WiFi set up, there is a bug where the car detects a WiFi access point and tries to connect, and never stops.

The temporary fix is to shut off WiFi.

Hopefully this is fixed in an update soon.

roberts | 10 december 2018

I took my car to a SC in Toronto today to fix a stuck frunk (the solenoid had to be replaced). While there I asked about the erratic LTE issue. He told me that the LTE uses AT&T cell network and because I am in Canada the LTE is always roaming, and therefore slow and subject to frequent loss of connection. He told me that Tesla has decided, that for Canadian cars, they will be replacing the AT&T sim card with a Telus sim card. For those of you in the US, Telus is one of Canada's 3 primary cell network providers. Apparently this will address the issue. The service tech said that the switch will begin to roll out sometime in 2019. Existing Canadian car will get a call to bring their cars in for the switch.

lilbean | 10 december 2018

Mine was out all afternoon.

gwolnik | 10 december 2018

I had this happen to me for the first time yesterday. I was driving home around 5pm PST and it was working, then all of a sudden I noticed the slash through the LTE icon and there was no traffic data or streaming music. For the last 10 miles drive home it was like that and also in my garage, where I normally have connectivity. I left the car and it went to "sleep" when I got out and closed the door. I came back about an hour later and to check the LTE and it was back working again. Today it worked with no problem. This confirms that adding a separate Sirius XM Onyx radio was the right decision, I don't want to depend on LTE! I was also glad to see that the basic GPS still worked, it just did not have the live traffic data while the LTE was unavailable.

louisv | 13 december 2018

Same here. I live in a condo with underground parking (Montreal, Canada). LTE was always spotty so I could not really try the free autopilot tryout...only a few days left and today no LTE at all...:(

vts747 | 13 december 2018

I've had the car for 4 weeks. LTE dropped twice, but the real problem is that browser and user manual/ updates are NOT working in LTE unless I reboot the car. Contacted Tesla, they are going to replace some random part (having to do with LTE antenna) in futile hope that it will fix the problem. I'm skeptical it'll fix anything. Their LTE seems to be buggy to say the least.

RickM3 | 14 december 2018

I've had the car for a week, the second day I lost LTE connectivity while driving and then parked at an open location for more than two hours.
Losing connectivity on a daily basis is common for a few mins at a time. I used my Tesla account to ask for support no body has contacted me in the past 5 days.

jvcesare | 14 december 2018

I've noticed with the last patch, 2018.46.2, I've lost connectivity 3 times in the last week. This never happened before. I've had to reboot to re-establish connectivity.

RickM3 | 17 december 2018

Lost connectivity again today for about 2 hrs...., requested a service appointment, I will bring the car in Thursday.

frankvsense | 17 augusti 2019

Regarding the LTE network, the support team responded as follows. They identified this issue as a big which will be fixed in 2019.8.32.

“Good morning Frank, this is Adam with Tesla service. I have reviewed the log data and communicated with our service engineering team on your connectivity concern. We have identified the issue as a software bug with the modem. The bug has been identified and will be corrected with a future firmware update. When you vehicle receives firmware version 2019.32 , this condition should be resolved. I am not sure when this firmware is scheduled for release, but we are working to get this update released as soon as we can.”

johnw | 17 augusti 2019

When this happens I have to restart with an extra step. Hold down the buttons until the Tesla logo appears. SC told me to do this and it's worked for me every time (assuming LTE tower in the area)

Mark | 27 augusti 2019

@frankvsense thanks for update. I’m running into same issue.

FISHEV | 27 augusti 2019

“We have identified the issue as a software bug with the modem.”@frankvsense

That sounds bogus. If it was a bug, everybody would have the problem. And saying it will be fixed by an update long into the future sounds equally bogus.

Perhaps a bad batch of modems that can be fixed with a patch but you’d think they’d put the single bug fix out at once in its own update. Tesla likely knows how many owners have the bad modems.

frankvsense | 28 augusti 2019

2019.32 just released.

Kary993 | 28 augusti 2019

@FISHEV - now you are a hardware and software expert LoL . There are many situations where software and/or hardware bugs are intermittent and would not necessarily affect everyone. Though it is clear from all the threads on this forum on this topic that it affect those that park underground where the signal is unavailable and randomly comes back when signal is available. Very plausible that there is a bug for this situation that does not affect the masses.