Throttle Controllers 101: Different Types and Installation Explained
Today's vehicles operate thanks to a wide variety of wire harnesses, electronic sensors and switches as well as a computer or multiple of them that control everything. The same goes for the throttle body which is operated either by a PCM (powertrain control module) or an ECM (engine control module. To improve the opening and closing of the throttle plate a throttle controller can be used which hooks up to the module via the ECU. A throttle controller or commander is a small device that can fit in your hand and with clever programming it can make your vehicle act a lot differently with the throttle pedal down. Look at it as a legal tune that isn't really that but more of a change in electrical signals.