Pressure Regulation
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
VFS Clutch Control Solenoid D
Drive\reverse solenoid signal (25) fluid pressure is ramped up by the VFS clutch control solenoid D duty cycle and is routed to the clutch regulator valve.
Clutch Regulator Valve
Increased pressure drive\reverse solenoid signal (25) fluid is routed thru orifice #40 to the clutch regulator valve and opposes valve spring force, allowing pressurized feed limit (23) fluid into the drive\reverse regulator (19) fluid circuit.