Below are two pictures of what an ECU might look like, depending on the vehicle. There are a number of different types of ECUs, including an Engine Control Module (ECM), Powertrain Control Module (PCM), Brake Control Module (BCM), General Electric Module (GEM) and others.
Each leaf on a poison ivy plant has three smaller leaflets. Contact with any part of the poison ivy plant can cause red, swollen skin, blisters and severe itching, sometimes within hours after exposure. A poison ivy rash usually resolves on its own within a few weeks. In the meantime, soothe irritated skin with an over-the-counter topical treatment, such as calamine lotion. Oatmeal baths and cool compresses also might be helpful. Consult your doctor if you have a severe poison ivy rash or if the rash involves your face or genital area.
Both are not contagious if the urushiol oil is not spread by chance. Infections can rarely result from itching. Both plants appear similar, produce the same kind of rash and require the same treatment. It depends on where you are residing in to differentiate a poison ivy rash from poison oak rash. The resin urushiol is the causative agent of contact dermatitis. The best way to prevent such rashes is avoiding exposure to them.