I've followed the quickstart guide (flashed V5 firmware into a virgin One+ unit with GPS), and plugged the device into the known-good OBD2 port on my 2010 Prius. I get activity on the console, but the CSV files on the SD card are all empty, or at most have a "#Freematics" header.
I can't find a troubleshooting guide, and none of the forum posts I've browsed seem to have this type of problem. Is there a troubleshooting recipe somewhere?
User feedbacks of the latest ESP32 based Freematics ONE+
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