All Cadillac STS PCM from Mintt are Pre-programmed to your vehicle’s VIN and flashed to the latest update from the manufacturer to improve performance and all of the previously reported Cadillac STS ECM related issues. Our Cadillac STS Engine Control Module (pcm ecm ecu tcm ) also comes with a free lifetime warranty and free shipping. Some Select models will arrive plug and play and will not require any assistance from the dealership or your local repair shop. Auto Computers compatible with the OBD-II ports requires programming in order to successfully synchronize your Cadillac STS PCM ( Powertrain Control Module ) with all the other control units such as the body control module, Transmission control module and the ignition control module, such step are necessary to ensure that you get the most out of your vehicle and improve your fuel economy. Purchase your Cadillac STS PCM replacement with Mintt today and you will be back on the road in no time! We also offer Cadillac STS PCM repairs services for select models, get in touch with one of our agents and find out how we can help you save on your Engine Control Units!