OBD II Control Modules
Beginning with the 1996 model year, all Saab automobiles built to US specification have at least one major system managed by a control module which supports OBD II functions. Those control modules are:
Engine Control Modules 900 9000
TRIONIC Turbo engines All 4 cyl
MOTRONIC 5.2 2.5 Liter V6 3.0 Liter V6
MOTRONIC 4.1 Non-Turbo 4 cyl
Transmission Control Module
TCM 900 Automatic Transmission