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Car won't wake from app
- Thread starter pdk42
- Start date
yes best practice agree
and no continuous data link required for 2g so comms still possible in areas of fluctuating / poor reception albeit up re-registration (slower/delayed as held by network)
also, devices in fluctuating signal & reregistering connection alert network so network held sms send immediately - only requires seconds of link up
yes near enough on the other comment, user stated lte but meant gsm
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Interesting post from 2017 here from an owner in Switzerland:
Car no longer waking up from the app/API
Car no longer waking up from the app/API
Glan gluaisne
Active Member
Given that WiFi can be configured to use less power than GSM, and given that my car has always seemed able to wake up until now without any mobile signal, and also given that I was assured by Tesla before purchase that the car would have full functionality without a mobile signal, as long as there was WiFi available, is it possible that there is also a wake up from WiFi capability?
My experience with being able to wake the car up whilst it's been parked on the drive for the past 10 months suggests it can, either that or it has some sort of astonishingly capable low noise front end that's able to pull a GSM signal out from below the noise floor. After all, it's possible to make calls and send and receive texts via WiFi with some phones and carriers, so it seems that the ability exists to do this.
My experience with being able to wake the car up whilst it's been parked on the drive for the past 10 months suggests it can, either that or it has some sort of astonishingly capable low noise front end that's able to pull a GSM signal out from below the noise floor. After all, it's possible to make calls and send and receive texts via WiFi with some phones and carriers, so it seems that the ability exists to do this.
ACarneiro
Active Member
I recall there being a new software release a while back that significantly improved wake-up times, so perhaps there are now multiple ways. What I can say, 100% sure, is that the car is disconnected from my router when it's asleep. Given that, I can't see any way in which it could wake up via WiFi with the current software (2020.36.10).
Glan gluaisne
Active Member
Down at the bottom of a steep sided valley, next to a stream. We can't receive much in the way of terrestrial signals, although we can just about get Radio 4 LW on 198 kHz. We can't receive anything else, apart from satellite, so rely on broadband for pretty much everything. I've built a couple of internet radios to feed to room mounted speakers, plus we have a portable internet radio.
I knew that the lack of mobile connectivity might be a problem, which is why I confirmed with Tesla that the car would work OK with only a WiFi connection, before I bought it. Even that wasn't straightforward, though, as it seems that the WiFi antenna in the car mirror (same location as the mobile network antenna I believe) isn't great, and I needed to install an outdoor AP (a TP-LINK CPE510) in order to get a reliable connection (part of that is because our house has walls that are thick and fairly radio opaque).
As a work around, I've discovered that the key fob wakes the car reliably from inside the house. The procedure is to unlock the car with the fob, then lock the car with the fob. The car is then awake enough to respond to the app. This work around is OK when at home, but doesn't fix the problem we had on Thursday afternoon, when we were out and I wanted to cool the car down before we got in to drive home. There was a decent mobile signal, but the app still wouldn't wake the car up, and the fob will only work from a few metres away.
Glan gluaisne
Active Member
Whether or not the car appears on the list of connected clients on the router seems to be random, from what I've seen. 90% of the time our router doesn't report the car as a connected client, but neither does it report our Roberts internet radio as connected either (in fact it never seems to report that as being connected). I've sat looking at the router "connected clients" page, trying to work out what's connected, and often things that are on all the time (like the RPi running Teslamate, or my Android tablet) don't show on the list. I've never worked out why this is, but it's an annoying feature when setting up something like a new RPi, and not being able to easily see what IP address it's acquired via DHCP. Angry IP scanner seems to work a little better than our Asus router at finding connected devices, but even that sometimes takes several scans to find some devices. It's one reason that all the stuff I've made that connects to the network, plus our network printer and my NAS, are configured with fixed IP addresses. At least that way I can quickly SSH into the things I need to access without messing about trying to find out if their IP has changed since last time.
Glan gluaisne
Active Member
Can the car receive SMS over WiFi, though? My wife's phone can now, although mine can't, but we have different contracts.
Glan gluaisne
Active Member
So the problem remains that my car has almost certainly never been able to receive any form of mobile network transmission whilst it's been parked here, but has been able to wake up from the app until about last Wednesday night. Something seems to have changed around that time that is preventing the car from waking up. Also, something has changed from around that time that is making the car stay awake a lot longer. When I woke it up earlier, using the key fob, to see if that worked as a way of getting the app to access the car, it has stayed awake since. It's now over an hour since I locked it up again, and usually it sleeps after ten to fifteen minutes.
Irrespective of the methods that will wake the car, something seems to have changed in its wake/sleep behaviour, and as that doesn't seem to be related to the software version, and seems to have some degree of regional variation, it seems a bit of a mystery as to what's causing it, doesn't it?
Irrespective of the methods that will wake the car, something seems to have changed in its wake/sleep behaviour, and as that doesn't seem to be related to the software version, and seems to have some degree of regional variation, it seems a bit of a mystery as to what's causing it, doesn't it?
Jason71
Well-Known Member
Sounds like the sms might be belt and braces and the lte api request should wake it anyway. It may also be true that if there is no GSM maybe the car does not drop the wifi connection but holds it open instead while the car is asleep?
P. S. Raise a service request. Everyone raise a service request. Bombard Tesla with service requests
Glan gluaisne
Active Member
Seems to depend on the contract. Vodafone told me that they weren't able to offer this when I asked them about it a while ago. My wife's contract is with O2, I think, and SMS over WiFi works on her phone. Both phones are the same model iPhone.
I raised a service request yesterday, in the hope that the more who do this the more chance there is that Tesla might fix it. I have a service appointment booked for 15th October, but expect to be told that there's no need for it.
Glan gluaisne
Active Member
I tried that this afternoon, but the app was already stuck in the "waking up" thing, which it does as soon as I open it (on either Android or iOS). How did you manage to get the app to respond to the controls section when it is still trying to wake the car up?
I can get into the controls section whilst it's doing the "waking up" thing, but the app doesn't seem to respond to any of the buttons, like lock/unlock.
rincewind
Member
I raised one then cancelled it - I realised I can wake the car from the app by unlocking the doors. Shouldn't need to do that, but at least it's a work around for now.
I have “serious” UniFi WiFi and there is no question that the M3 completely disconnects from WiFi when asleep. It is also possible, however, that in the complete absence of mobile signal the car decides to keep the WiFi connected instead (which would explain @Glan gluaisne scenario). However, it doesn’t explain how it could be limited to the U.K. only, whereas an SMS issue would.
I still tend to believe it is SMS or nothing, and that @Glan gluaisne car is secretly able to receive these messages in spite of living at the bottom of a very deep well, I mean valley.
I still tend to believe it is SMS or nothing, and that @Glan gluaisne car is secretly able to receive these messages in spite of living at the bottom of a very deep well, I mean valley.
jmas
Member
Greetings for Spain.
I want you to know that we are suffering this same problem here. It affects many cars with MCU2, mine included (M3 LR AWD).
Also, I have *exactly* the same symptoms you described since last Wednesday. On late Friday, 2020.36.11 was aggresively pushed to many cars here, including mine. Once the installation finished, my car stayed awake during more than one hour, which is definitely an anomalous behaviour. Since then, the phantom drain has been increased. I think that this happens because my car awakes (by itself) more frequently, and stays awake longer. I have no third party parts, TeslaFi, etc. accessing my car.
jmas
Member
Of course I intended to write that "I have no third party apps, TeslaFi, etc. accessing my car."
I'm new here and I didn't find any way to edit posts.
