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psdzdata and i-step version compatibility - sasquartch - 11-09-2021

Is there a way of determining whether a given psdzdata version is going to be suitable to use for a particular vehicle if the i-step is known ?

My understanding is that as long as the psdzdata is at least a certain version (or newer) it should be OK

Is there either a document somewhere or preferably can I determine this from looking at the psdzdata files ?

Looking at my psdzdata (4.31.31) I can see in the mainseries\S15A folder (I am interested in G30 coding) there are two subfolders, S15A_21_03_582_V_004_000_001 and S15A_21_07_550_V_004_000_001, do these correspond to the the maximum i-step version that the files support ?

I've not been able to find any definitive answer to this

Thanks for any insights