Chevrolet Venture

[Hanukkah]

Which transponder data is correct for this Delphi Immo module?

Data: FF81 C42C 1659 6804 FF81 C42C 1659 6804

or

Data: FF81 C48C 7976 7B7F FF81 C48C 7976 7B7F

Attached is dump from 1J27F mcu...

Thanks in advance

[keygargoil]

20 c8 ec 7c dd is the bytes for key 1 = ff 81 c4 8c 79 76 7b 7f