Water leak onto the automatic transmission computer from the passenger side of the windscreen on Jaguar XJ6

Problem Description and Possible Solution
In areas of the country with a high amount of precipitation (or in vehicles with rust on the lower passenger side windscreen), water can leak into the automatic transmission computer. This will illuminate a transmission failure light on the control panel and cause the transmission to shift erratically.
Problem Data
RepairPal Verified
Average mileage: (–)
3 model years affected: 1990, 1991, 1992
4 people reported this problem
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews