Testing the GPS antenna of a Tesla Model S Some background about this project: Two months ago after a software upgrade the navigation of my 2015 Tesla Model S with upgraded Media Control Unit (MCU2 Intel Atom) got stuck. The arrow of the navigation does not move anymore and is stuck at the position of my home address. The navigation never had issues before. The other functionalities of the MCU are all fine and working as expected. To fix the navigation issue I tried the following resets after removing my USB stick from the system: Soft reset by pressing the both scroll wheels on the steering wheel Full soft r eboot by powering off from the menu Hard reset by disconnecting the 12V battery and first responder loop None of the resets solved the issue. Tesla service next diagnosed the issue to be caused by a defective factory GPS antenna. That I found rather strange because it never had issues and when it dies suddenly why would that happen at my home address and not somewhere w...