The AEM TCM (Throttle Control Module) instantly puts YOU in CONTROL. Get rid of laggy acceleration and dead pedal with an AEM TCM. Wirelessly program your own throttle curves with your Phone when using the AEM TCM APP. You can use one of 5 preset throttle curves or customize and save up to 3 of your own. Be in CONTROL and dial in your throttle curve just the way you want. Installation is plug & play through your accelerator pedal harness. Phone APP support will be for both Andriod and iOS. Our APP is user-friendly with intuitive functions to help you take CONTROL. More vehicle application support to come. Compatible W/ 2003-2020 Tacoma/4Runner/FJ Cruiser (Application Details Below)