I have a 2022 Ram it started down shifting hard after dealer did a PCM/TCM update they have since put 2 new transmissions in it and continues to down shift hard, any ideas what it could be? Is it possible to install the wrong update for the PCM/TCM?
Register a free account today to become a member! Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members through your own private inbox!