Engine control unit - Wikipedia
An engine control unit (ECU), also called an engine control module (ECM), [1] is a device that controls various subsystems of an internal combustion engine. Systems commonly controlled by an ECU …
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 …
5 Symptoms of a Bad ECM (And Replacement Cost in 2025)
Jun 4, 2025 · Here are 5 common symptoms of a bad engine control unit in a vehicle. A big symptom that you will notice from a bad engine control module is poor engine performance. Your engine will …
What Is an Electronic Control Unit (ECU) and How It Work
Oct 15, 2023 · In modern automotive systems, ECUs are not limited to engine management but also play a significant role in essential components like the anti-lock braking system, safety airbag …
Engine Control Unit (ECU): Functions, Symptoms, Testing, and ...
An Engine Control Unit (ECU) is like the brain of your car's engine. It gathers information from different sensors around the engine and uses this information to control things like fuel use, airflow, and spark …
Understanding the Components of an ECU: A Diagram
Electronic Control Units, or ECUs, play a crucial role in the functioning of modern vehicles. These devices are responsible for controlling various aspects of a car’s systems, such as the engine, …
Understanding Engine Control Units (ECUs) and Their Importance
Aug 8, 2025 · What is an Engine Control Unit (ECU)? An Engine Control Unit (ECU), also known as an Engine Control Module (ECM) or Powertrain Control Module (PCM), is an electronic device installed …
Engine Control Units (ECUs) - Monolithic Power Systems
An internal combustion engine’s numerous operations are managed and controlled by an engine control unit, or ECU. The ECU is capable of modifying several engine characteristics by obtaining data from …
Engine Control Unit (ECU): Functions, Advantages, and How It Works
Mar 13, 2025 · What is an Engine Control Unit (ECU)? An Engine Control Unit, also called an Engine Control Module, is the controller of a vehicle’s engine. This is the electronic brain that electronically …
Automotive Engine Control Unit or Engine Control Module …
But what exactly is an Automotive Engine Control Unit (ECU)/Engine Control Module (ECM)? In this comprehensive guide, we will demystify the ECU, exploring its functionality, hardware and software …