Time in shop for software upgrade?




The technician said he had trouble with the connection with the servers and that the download quit three times before he could get them installed.
The technician said he had trouble with the connection with the servers and that the download quit three times before he could get them installed.
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The car actually has two WiFi connection settings - one for internet and one for updates. I literally have my car connected to two separate WiFi networks, the 5GHz for internet and 2.4GHz for software updates. The settings don't allow for the da same network to be used for both purposes, which is really odd.
The car actually has two WiFi connection settings - one for internet and one for updates. I literally have my car connected to two separate WiFi networks, the 5GHz for internet and 2.4GHz for software updates. The settings don't allow for the da same network to be used for both purposes, which is really odd.
There is supposed to be a massive software update for the EQS as part of a large 2-wave campaign. I'm eagerly awaiting my turn...and my complimentary pillows.









The problem with Tesla's architecture is that if the main computer crashes most everything stops working. The distributed architecture of German cars adds redundancy. If one ECU crashes, most other functions continue to work. Each approach has its advantages and disadvantages.
As for the time it takes to update these ECUs there's another factor, the CAN bus. There are different CAN buses in a car. There are high speed and low speed buses. So the update has to be delivered over the CAN bus to the respective ECU. If it can be sent over a high speed bus then the update is quick, but over a low speed bus it's slow, but even a high speed CAN bus only has about 1 Mbps bandwidth.
Last edited by superswiss; Sep 7, 2023 at 08:59 PM.



