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Model 3 “turned off” while charging

AbbyNormal

Member
Jul 4, 2021
8
4
85297
I searched and could not find an example, but I used a supercharger for the first time yesterday and when I got in the car to wait, everything shut off when I shut the door. The screen showed charging, but the AC and radio turned off. My phone was connected and I could turn on climate though the phone app, but the car screen would not respond to touching. If I opened my door, the screen, radio and AC turned back on. It is like the car did not think anyone was inside despite applying the brake and touching the screen.

I tried everything I could think of and asked someone parked next to me, but he said he has never seen that before. Anyway, I finished my charging session with the door cracked so I could access the screen and listen to the radio. I’m planning a trip in a couple of weeks and would like to sort that out. Does anyone have any ideas on what I could try?
 

EVRider-FL

Member
Aug 18, 2015
771
443
South Florida
Might be a problem with your seat sensor, but try rebooting if you didn't already. If that doesn't help, you might need to make a service appointment. Does this only happen when charging?
 

AbbyNormal

Member
Jul 4, 2021
8
4
85297
Thanks for the reply. My wife and I were both in the car and apparently only while supercharging charging (It's never happened before). I did not reboot because I’m still nervous about doing that away from the house and just wanted to charge and free up the spot. I’ll reboot and try a supercharger again this weekend to see what happens.
 

AbbyNormal

Member
Jul 4, 2021
8
4
85297
Update - rebooted (brake and both scroll wheels) and tried supercharging again today. Same issue. Charges just fine, but when you get in and shut the door, the car shuts down and a static screen appears showing the charging process. I can turn the climate control on with the app, but the only way to have full access to the screen is to open the door. It’s like it does not know anyone is inside even though I press the brake and touch the screen.

We are driving to the Grand Canyon Sunday, so I guess I will just supercharge with the door open…hope it doesn’t rain.
 

ladysbff

Member
Jul 26, 2019
349
616
Traveling the universe
This happens to me at Superchargers too. Never thought to see if it could be fixed, figured it was a typical Tesla glitch. There have been a few times where I have had to keep the door open the whole time I was charging.
 

Ecoli

Member
Aug 6, 2019
701
303
New Zealand
Seems strange,you could also try powering the whole car off and on
since you've already tried reboot. You can do that from the screen
what software version do you have
 

Ecoli

Member
Aug 6, 2019
701
303
New Zealand
Rebooting doesn't turn the car off, it restarts the computer system
You can thumbwheel reboot while driving the car, you'll lose the screen display, audio etc
but you can still drive.

There is another level of turning off other than powering off from the screen
which requires disconnecting the 12v battery supply
and removing the back seat and disconnecting HV connector from the battery penthouse

I think a service visit would be preferable before resorting that :)
 

stopcrazypp

Well-Known Member
Dec 8, 2007
10,963
6,063
Update - rebooted (brake and both scroll wheels) and tried supercharging again today. Same issue. Charges just fine, but when you get in and shut the door, the car shuts down and a static screen appears showing the charging process. I can turn the climate control on with the app, but the only way to have full access to the screen is to open the door. It’s like it does not know anyone is inside even though I press the brake and touch the screen.

We are driving to the Grand Canyon Sunday, so I guess I will just supercharge with the door open…hope it doesn’t rain.
Probably your driver's seat sensor (or some part of the circuit there) is faulty. The driver's seat sensor is supposed to keep the screen on (the passenger does not however, I tried). I've also tried pushing on the driver's seat manually and it does "wake" the screen.

Note there is a camp mode you can try to see if it can keep the car "awake". See page 126 in manual:
https://www.tesla.com/sites/default/files/model_3_owners_manual_north_america_en.pdf
 

kgvickers

Member
Aug 16, 2019
41
51
Fort Worth, Texas
I had the same problem, got seat sensor replaced at the service center. See attached. Tesla Display Repair.JPG
 
  • Helpful
Reactions: Harvey Danger

AbbyNormal

Member
Jul 4, 2021
8
4
85297
Sorry for the delayed response, but I think I discovered the problem. It is the seat sensor, but I'm a paraplegic and use an air cushion to sit on. It does a good job of skin protection (floatation), but also spreads out my weight to the point the seat sensor does not register. I need to reach under the cushion and push down with my hand briefly to "turn everything on". Unfortunately, that only lasts 5-10 minutes and then everything turns off again. I will still bring it up with service since it is possible the seat sensor is bad or maybe the sensitivity can be adjusted. Thanks to all that contributed.
 
  • Informative
Reactions: Ecoli and oreobbq

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