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)
Or, hide this message:
temporarily or
permanently
Control Module: Description and Operation
DESCRIPTION The Transmission Control Module
(TCM) is a separate component from the
Powertrain Control Module (PCM). The TCM is used in conjunction with the PCM to determine the operational characteristics of the transaxle, such as shift timing or lockup. These characteristics are calculated by a series of switch and sensor inputs to produce optimum driveability