VXDIAG For GM GDS2 and Tech2Win Installation Manual (Win10). VXDiag VCX NANO Fit For GM / OPEL GDS2 V2022.5 T-ech2WIN 16.02.24. Only GDS2 supports for Opel and for Saab. Tech2Win DOESN'T support for Opel and for Saab (2000-2010).