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They are not necessarily older or newer. They are just different. You can't tell which are newer/older based just on version numbers alone! While it is somewhat true (maybe in 80% cases) for the same unit HWEL, it certainly does NOT between different units even of the same family! And here some CAFDs are for the WRONG units than ones which are supposed to be in your car...

To code whole car to default you can select top branch in the coding window and click code. Then ALL units will be coded. But you still must inject proper CAFDs manually.