Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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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