Forum Discussion
wildmanbaker
Mar 18, 2016Explorer
Did you have a "shift kit" put in it when rebuilt? Some kits do not get along with GM transmissions well and can cause these systems. A dealer or a real transmission shop should be able to read any codes/information about the trans from the ECU. Let us know what you find the problem is.
About Motorhome Group
38,716 PostsLatest Activity: Apr 22, 2025