Cat® Control Module reads various sensor outputs and controls the necessary systems to provide optimal machine performance in Cat® heavy equipment operations. Designed to work in unison with the rest of your Cat® components to ensure maximum potential of your equipment. The Engine Control Module is the brains of the engine management system. It controls the fuel mixture, ignition timing, variable cam timing and emissions control.Application:Cat® Engine Control Module are used in the engines of various Cat® machines. Consult your owner’s manual or contact your local Cat® dealer for more information.