The P56029161AC 2004 Dodge Ram 1500 5.7L Hemi V8 ECU ECM PCM Engine Computer Module is a bolt-on engine control unit that requires programming. It has a maximum amperage of 12A and pin terminals, with a manufacturer warranty of 1 month. This module is specifically designed for the 2004 Dodge Ram 1500 with a 5.7L Hemi V8 engine, providing easy installation and ensuring proper functionality. Additionally, it is important to note that this product may contain chemicals known to the State of California to cause cancer.