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
If it fails: lemon-manuals.org.ua

Or, hide this message: temporarily or permanently

Control Module: Description and Operation

The Transmission Electronic Control Assembly (TECA) receives various inputs from it's sensors. Information supplied by these sensors is used by the TECA to control transmission capacity, up and down shift scheduling, the converter clutch solenoid, and coast clutch control.