bmwhitetx
Well-known member
I was just reading on this. There are seven 2-wire communication networks in our truck that run at various speeds (plus an ethernet network). The Gateway Module (GWM) is connected to each of these networks and translates messages back and forth between modules that are on different networks.For those that know the Ford modules and a little bit about how they work together can Ford get the GPS location to the right module to know whether or not it should lock? Can the BCM get GPS?
This is where Tesla and the central on board computer shines. All of the data is Sharable and usable between functions. It is truly the little things that make a difference. These reasons alone are why I’m concerned about Ford after abandoning their advanced research and development of their next vehicle compute.
An example they give is that the ability of the power running boards to extend when the driver door is opened is due to the GWM translating the Door Open message on the Body Control Module (BCM) to the Power Running Board Module (PRB). The BCM is on the High-Speed CAN 1 bus and the PRB is on the Medium-Speed Can bus.
So yes, any module should be able to get the GPS coordinates.
Fun Fact: Older vehicles like my 2010 F-150 had two networks, the high speed bus (HS-CAN) and a medium speed (MS-CAN). Both of these busses were present on the OBD connector and older FORScan dongles had a MS/HS switch so you could switch between the networks depending on which one you wanted to program. On our trucks only the GWM is connected to the OBD so no switching is needed. FORScan can talk to any of the seven networks thanks to the GWM translation.
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