Saab used the shared Tech 2 handheld diagnostic tool with Saab software on a range of vehicles. Saab's TIS 2000 PC application supported functions such as diagnostic snapshots, Tech 2 software downloads and Service Programming System (SPS) reprogramming. See the Saab TIS 2000 description and 2010 9-3 service programming procedure.
Earlier ISAT and ISAT II
Saab's earlier ISAT and ISAT II diagnostic instruments were used for the Saab 900 and 9000. A 1997 Saab bulletin describes overlapping Tech 2 support for 1994–1997 900 and 9000 systems, subject to listed exceptions; consult the exact vehicle and system rather than assuming a universal changeover. Saab ISAT manual; Saab 1997 bulletin.
Later models
Saab Parts identifies GDS2 through TIS2Web for diagnostics, data display and actuator tests on the Saab 9-5 and 9-4X from 2010 onwards. GM's vehicle chart lists the 2010 9-5. This is a model-specific transition, not evidence that every Saab from 2010 uses GDS2: the 2010 9-3 programming procedure still specifies Tech 2 and TIS 2000. Saab subscription services.
Confirm the exact vehicle, software, interface, service subscription and applicable security access before diagnosis or programming.