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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Control Module: Description and Operation

Transmission Control Module (TCM)

Function
Transmission Control Module (TCM) receives information from components that affect shifts and forwards this information to solenoid valves, which control slide valves in valve body.