One problem related to transfer case has been reported for the 2020 Ford F-150. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2020 Ford F-150 based on all problems reported for the 2020 F-150.
I have owned this truck at around 38000 miles until now at ~63,000 miles. I have complained to the dealership I purchased the truck about the transmission being unpredictable. At around 50,000 miles I brought it to the dealership for shifting poorly, not shifting into gear, jumping gears. They looked at it, said it had a problem with the transfer case but not the transmission. They replaced a couple parts. The transmission problem has not gone away. I called at around 59,000 miles about serious issues with the transmission not going into gear and jumping gears causing the engine to rev. By the time I brought it with their schedule, my 60,000 mile warranty had ran out. I'm now at 63,000 miles, the transmission is worse than ever, and Ford will not warranty the problem. The dealership blaims the 10 gear transmission with how it is acting, but my issues are much worse than just a troubled transmission series. While driving to the post office today, it would not go into reverse for several seconds. On the way back from the post office, driving on the road, it shifted from its gear into a steady neutral all while I was pressing on the accelerator causing the engine to rev and when it finally slammed into the next gear, caused the truck to rocket forward. It quick acceleration with the neck breaking jerk was disturbing.