Shift Solenoid No 1, 2 (SS1, SS2)
WARNING: This page is about a different variant/trim than selected.
Two shift solenoids are installed directly in the valve body. The solenoids operate of ON and OFF by the control signal from TCM. Combinations of 2 solenoids, SS1 (2) and SS2 (1) changes gear ranges.
Courtesy of GENERAL MOTORS CORP.