Originally Posted by jh2586
check the adjustment on your tv cable and check the cleanlines of your throttble body.. sometimes when it gets gunked up it may cause that..
otherwise try flushing out your tranny fluid
No T.V. cable on the 4L60E. It's an electronic trans; shifts (up and down) are PCM commanded, and line pressure is PWM. No detent/kick down cable, no T.V. cable.