Repair Procedures: Removal

Turn ignition switch OFF and disconnect the negative (-) battery cable.
Disconnect the ECM connector (A) and TCM connector (B).
Remove the ECM & TCM bracket installation bolts (C) and nut (D).
Tightening torque:

9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

Fig 1: Identifying ECM And TCM Connector, Bolts And Nuts
Courtesy of KIA MOTORS AMERICA, INC.
Remove the TCM (B) from bracket after remove the installation bolts (A).

Fig 2: Identifying TCM And Installation Bolts
Courtesy of KIA MOTORS AMERICA, INC.