Where is thre quad driver module on a 4L80E transmission?

The quad driver module on a 4L80E transmission is typically located on the side of the transmission case, near the rear. It is often mounted on the valve body or close to it, and it serves as the interface for the electronic controls that manage shifting and other functions. To access it, you may need to remove the transmission pan and valve body. Always consult a service manual for specific details and procedures.