Electronic control unit - Wikipedia
An electronic control unit (ECU), also known as an electronic control module (ECM), is an embedded system in automotive electronics that controls one or more of the electrical systems or subsystems in …
What Is an ECU in a Car? - carwow
Dec 18, 2025 · Heard someone mention an ECU when talking about cars and wondering what ECU is in a car? This guide explains everything you need to know about an ECU car system (Electronic …
Car ECU explained: What it does, faults and repair costs
Jul 2, 2024 · The ECU, or engine control unit, is a computer used to control the various electrical systems needed to run a car engine correctly, including the fuel injection and fuel ignition systems.
What Is an ECU and How Does It Work? | The ECU Pro Blog
Jan 30, 2025 · ECUs are responsible for ensuring that the engine works well and the vehicle operates consistently. But what is an ECU, exactly? What do these systems do? Read on to learn the ins and …
What Is an ECU (Electronic Control Unit) in Cars?
Apr 30, 2025 · An ECU is a minicomputer that collects data and determines whether to activate a function based on the information received. Each individual ECU plays a role in keeping a specific …
Automotive ECU Explained: A Complete Guide (2025 Updated)
Oct 29, 2025 · What is an ECU, and why is it important in modern cars? An Electronic Control Unit (ECU) is the core electronic component that governs a wide range of vehicle functions, such as the …
What Is a Car’s ECU and How Does It Work? - Engineer Fix
Dec 16, 2025 · The Electronic Control Unit, commonly referred to as the ECU, is the computer system responsible for managing an engine’s operation. It functions as the brain of the power plant, …
ECU (Electronic Control Unit) explained
In the Automotive industry, the term ECU often refers to an Engine Control Unit (ECU), or an Engine Control Module (ECM). If this unit controls both an engine and a transmission, it is often described as …
What Is an ECU in a Car? - A Complete Guide to ECUs
Jul 22, 2024 · In our bodies, that’s the brain’s job, but in a car, it’s the ECU doing the work. It’s a computer that controls the engine’s functions, including the positioning of parts. The ignition timing, …
ECU Explained (2025): Architecture, Networks & OTA Updates
Aug 14, 2025 · What is an ECU in a Car? An Electronic Control Unit (ECU) is an embedded controller that manages one or more electrical or electromechanical subsystems in a vehicle. ECUs execute …