What can cause trans to lockup in reverse mercury villiger 96?

A transmission lockup in reverse on a 1996 Mercury Villager can be caused by several factors, including low Transmission Fluid levels, a failing transmission control module, or a malfunctioning torque converter. Additionally, issues with the valve body or gear linkage could also contribute to this problem. It's advisable to have the transmission inspected by a professional to diagnose and address the underlying issue.