Transmission Control Module (TCM): Removal

Disconnect the ground cable from the battery.
Remove the lower cover and then disconnect the connector.
Remove the knee bolster.

Fig 1: Identifying Knee Bolster
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector from TCM.
Remove the TCM.

Fig 2: Identifying Transmission Control Module (TCM)
Courtesy of SUBARU OF AMERICA, INC.