SOS Call Button - service message pop up

[Ilovejunebugs]

Happened to me today. I did a soft reset but the message remained. In the app it says the truck went offline at 115am. Truck worked fine this morning, other than the non-functioning SOS.
We've had two really cold days (windchill -30F) in row where the truck was outside all day while i was at work, though I"m not sure that would have anything to do with connectivity. I'll do a hard reset later today if it hasn't resolved.

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[Quattro Powers]

This happened to me yesterday too. In addition my GPS no longer functions. I called service and tried a soft reset. It didn’t help. For some reason, I wasn’t able to do a hard reset. I have a service appointment in a week.

 

[pointless]

Has anyone with the SOS fail icon resolved this?

I now have a permanent SOS failure icon on my dash. Took it in for service and they blamed OBD-II USB adapter for MagSafe charger.

I asked the SC if they had disconnected it and test their theory. They had not. I disconnected it and the SOS failure remained. I just did a long road trip with the OBD-II USB unplugged and soft and hard resets and still remains.

Need to schedule another appointment

Side note: I also added a second horn around the same time as the OBD-II adapter which is working fine using a Y-connector.

 

[Ilovejunebugs]

Service center disconnected my r1t 12v to fix it. Been fine since.

 

[pointless]

Thanks for the Service Work order.

TCM requires 12V reset to restore functionality.​

Not coming to me, any idea what TCM stand for?

 

[Ilovejunebugs]

Thanks for the Service Work order.

TCM requires 12V reset to restore functionality.​

Not coming to me, any idea what TCM stand for?

Telecommunications control module

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