In today’s technology, cars are managed by an advanced electronic control unit (ecu), which is necessary for them to work in a stable and desired efficiency, this control unit processes the information of various sensors coming from the engine, upon the wishes of the user, under the conditions of the vehicle, and sends solenoids and some valves to regulate the engine’s optimum performance. It provides by sending signals, However, in specific cases, it may be necessary to intervene in this control unit, if we classify these cases…