When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I WAS driving today and all at once i lost 1st gear and over drive all i got is 2nd 3rd and 4th but i have to shift by hand because it wont down shift either and i also lost all kinds of power cant even drive it unless the programmer is on i tryed taking out the programer that didnt help ive been noticeing it jumping around gears the other day so i turned off the programer and it seemed to run fine except for today
I WAS driving today and all at once i lost 1st gear and over drive all i got is 2nd 3rd and 4th but i have to shift by hand because it wont down shift either and i also lost all kinds of power cant even drive it unless the programmer is on i tryed taking out the programer that didnt help ive been noticeing it jumping around gears the other day so i turned off the programer and it seemed to run fine except for today
That means there would be some codes stored. Do you have access to a scan tool that works on these trucks? If you post your location, then there might be someone nearby who may be able to help. Looking like you have a possible transmission issue...