4l60e with transgo and Yanktt3000 no TM

this things been working great
but...the strangest thing happened today
Im going up the road and decide to kick it at about
40, no down shift
pulled over and headed back home stuck in OD
even from a stop
It would shift fine manually but would take off in
the same gear you put it in

when I got it home I put it in reverse and it made
a friction type noise when I backed it up.
So next I unplugged and plugged my battery and tried it again.
worked fine
wander what this could be or coulda been
what the hell ??!?

 

Sounds like no pwer to the solenoids and it is taking off in 2nd or it has a solenoid hung up scan it for codes and post back.

 

I scanned it but it was after I reset the computer and produced no codes
Ill check those connections for sure though