there is most definitely a storage device. black boxes have been present in vehicles for a very long time, but it required access to the vehicle to retrieve it. they would know gps location, speed at time of accident, throttle and possibly brake position, and in vehicles with adaptive cruise they even know steering angle.You're implying there is a storage device, which is pretty unlikely that it stores more than a few points of data. There "may" be a buffer big enough to compensate for when the modem is trying to transmit data and runs into a hiccup and has to try again, but that buffer is probably pretty small, and probably doesn't keep stuff when the power is turned off.
Just a guess, but it doesn't make money sense for Ford to install the modem spy features AND storage feature AND a way to download via OBD.
(OBD is OLD and connected to the computer in a different way than was ever meant for downloading "black box" info...)
telematics takes some of that data and sends it out via cellular or wifi.
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