Shift Solenoid Valve - Mode B
WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
HD 234 clutch supply fluid passes through the shift solenoid valve - mode B into the HD 234 clutch circuit and is routed to the hybrid direct 2-3-4 clutch assembly.