stand-alone electronic controller. Car Craft did a complete comparison of six different transmission controllers for the 4L80E four-speed automatic overdrive transmission in the Mar. 2012 issue ...

For our car, we decided to go with a tough 4L80E trans with stand alone controller, that will gives us more control over setting shift points and overdrive engagement versus using a stock TV cable ...

The 4L80E is a truck automatic transmission that ... cars don't have—and there hasn't been an easily programmable, stand-alone computer available to make it work in a carbureted application.