For diesel rigs later than 1994, all roads to managing engine functions pass through the Engine Control ... one with module. See All 3 Photos The primary function of most popular programmers ...

The Engine Control Module (ECM) is a crucial component in a car, as it acts as the brain that controls various engine functions. It works in conjunction with multiple sensors, wires, and ...

Others, such as ECU (Engine Control Unit) or ECM (Engine Control Module) and TCM ... need to be programmed to work with your vehicle. Programming requires either advanced skills and equipment ...