TRANSMISSION ADAPTATION.6T40/45 AND 6T70/75. GMC / Chevrolet, step by step to follow.

After every repair on transmission you will need relearning or adaptation.. In some model and brand of vehicle they also have adaptation relearn or reset.. It depends on manufacturer. Easy step by step just go to the special function of your scanner and just follow the instructions, to avoid harsh shift, hunting and delayed shifting it works guys and very helpful.