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Car won’t wake up from app. Have to open door

GtiMart

Active Member
Nov 13, 2019
1,274
1,112
Quebec City, Canada
After you check if you have sentry on, and if the update somehow reset your settings, and you have done a reboot...
Was your car plugged in? Some cars have had trouble sleeping while plugged in, when not charging obviously. It was on older software, and some got it fixed via software, but some needed a new charge port controller.
 

Kevy Baby

Dis-Member
Supporting Member
Aug 11, 2019
2,068
2,066
Brea, CA

variable

Member
Dec 16, 2020
37
40
Chicago, IL
Yeah because your car never sleeps when Sentry is turned on.
Which isn't ideal because of the vampire drain.

I've found success in flipping the network on my phone between wifi and LTE, or hitting airplane mode when it's stuck. But yeah, it's not always super reliable, and I suspect it's probably Tesla's data center and not the app itself.
 

AlanSubie4Life

Efficiency Obsessed Member
Oct 22, 2018
10,492
12,726
San Diego
My car will not wake up with the app. It just stays saying “waking up”. If I have the app open and get in the car, it will connect about 10 seconds after the screen comes on. Also, the screen takes 5-10 seconds to turn on after opening the door.
Anyone have a recommendation for a fix?

I have had this problem forever. The app basically takes forever to wake the car, or completely fails to wake the car, on demand. It's really unreliable.

However, I have figured out a workaround, as long as I am in Bluetooth range of the car:

I hit the "lock" symbol (it won't be grayed out if you're in Bluetooth range). It may say it failed and complain about a vehicle connection error (may be due to Bluetooth range issues or general Tesla flakiness). But you just keep hitting that lock button a few times, and it WILL wake up the car. It's the only effective method I've found to budge the app and car connection out of the "recalcitrant" state.

And then your car will be accessible from the app.

The very long screen wakeup is an intermittent problem for me. Most of the time my screen wakes up rapidly, but responsiveness is a problem until the contactors clunk closed and few seconds after that, the car shakes the cobwebs out. It's all a bit silly, but it doesn't rise to the level of inconvenience unless I'm really in a major rush. If you wake up the car via the above method first, and it's still awake (listen for those contactors - that's the car talking to you - there are two distinct noises, one for closing, one for opening!) when you go to it, I think you'll likely have no problem.

The much more annoying thing is that the PIN-to-drive never "sticks" if I have the door open when I enter it (this happens when you're in a hurry!) - I enter it successfully, then when I close the door, the screen briefly blacks out and then comes up with PIN-to-drive again. I think this is a bug, though it could also be a feature and slightly improve security. But they should just not permit entering the PIN with the door open if they really want that.
 
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1001

Member
Jun 10, 2021
29
18
Australia
Just reading through the post and experiencing the same issue.

AlanSubie4Life, thanks for the suggestion, seems to do the trick.

The process described by EVRider-FL and GtiMart makes sense. Has anyone had any luck troubleshooting the issue with Tesla tech support?

I would be interested in understanding the following:
- Does the Tesla app need to communicate on a specific ip range/port to enable the initial request?
- Is the issue limited to iOS or AndroidOS?
- Is the car cellular always on, even when in deep sleep and within a specific geofence?
 

GtiMart

Active Member
Nov 13, 2019
1,274
1,112
Quebec City, Canada
Yes, I believe the cell antenna is alive even when the car sleeps. My understanding is that tesla servers send an SMS to the car to wake it up so that would be required. That plus the bluetooth LE antenna, te.mperature monitoring etc should explain the ~25w consumption while sleeping.
 

linux-works

Active Member
Dec 23, 2019
2,174
3,758
mtn view, ca
It probably requires less power to keep the cell antenna alive than it requires keeping a wifi antenna active? You would need both since you cannot always rely on wifi. So my vote is on using only cell signal for power economy.
ding ding. that's the answer. low power mode in SMS receive vs any other (lte, wifi). very common to use sms as a way to 'wake up' things.
 

Wennfred

Supporting Member
Supporting Member
Apr 4, 2019
3,040
2,007
San Diego
Make sure that in your App Tesla settings that Bluetooth is on and Location is set to Always, this isn’t nothing new and it’s usually the fix.

8D9D4A8D-B0BE-491C-BCB2-FBB5682DA7CD.jpeg
 
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1001

Member
Jun 10, 2021
29
18
Australia
Hmm - this is interesting...

Setting location to "Always" on seems to wake the car...

Looking at the explanation under location services in Apple iOS: "Tesla uses your location to show your proximity to your vehicle (while the app is open), and to optimize phone key on your supported vehicles (while the app is in the background)"

Doing a quick search, it seems that for Geofencing to work with Apple products, the iOS device location services needs to be set to "Always".

Based on the information:
- It would seem that if you are within bluetooth range the car will pick up your mobile device and wake up the car
- If you are outside of bluetooth range, you need to have location set to "Always" because Tesla have implemented some Geofencing rules

I suspect someone from Tesla needs to explain how they have implemented their solution. I can only speculate on why "While Using the App" is not working. I wonder if this also impacts other services such as smart summon, etc...
 

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