Shift Solenoid Valve - Mode B
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
VL 12 reverse clutch fluid passes through the shift solenoid valve - mode B and into the VL 12 reverse/4th clutch feed fluid circuit and is routed to the variable low and 1-2 reverse and 4th clutch regulator valve.