i have a lq4 with a 4l60e. harness and pcm are set for that. my problem is that the trany will go in 1st 2nd 3rd and then just stay in 3rd. you can stop and start going again and it is still in 3rd. any suggestions. i have some codes ill post them tomarrow.

 

Your setting limp mode on the 2-3 shift. What stall do you have and the codes will tell us alot

 

don't fix it ,i'm selling one fully build ship

 

Can someone ban this Idiot?

 

my trannys is fully rebuilt. i had some tranny codes ill post later today.

 

not to hijack but im having a very similar problem, but only after my rebuild