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  1. What Is the Electronic Control Module? - AutoZone

    One crucial component to get familiar with is the Electronic Control Module, or ECM, that plays a pivotal role in ensuring modern vehicles run smoothly and efficiently. Here we’ll break down what an ECM …

  2. 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 …

  3. 5 Symptoms of a Bad ECM (And Replacement Cost in 2025)

    Jun 4, 2025 · The engine control module (ECM), also referred to as the engine control unit (ECU), is a critical component which links your engine to the central computer of your vehicle.

  4. What is the Electronic Control Module (ECM)? - Cummins

    Nov 3, 2023 · Learn about Electronic Control Module (ECMs) and how they optimize engine performance and provide efficiency and reliability in diverse vehicle technologies.

  5. What is the Engine Control Module (ECM) ? How does it work

    Sep 8, 2024 · The Engine Control Module (ECM) or Engine Management System (EMS) is an electronic control unit that is responsible for controlling, managing and optimizing the performance of a …

  6. Bad Engine Control Module (ECM): Symptoms, Repair, Replacement Cost

    Apr 11, 2025 · The ECM, or engine control module, is a computer that manages engine operation by using data from sensors to control components like fuel injectors and ignition coils. Modern cars have …

  7. Engine Control Module | ECM | PCM | ECU - Flagship One

    Our Engine Control Modules (ECM) are a crucial component in ensuring your vehicle's optimal performance. They regulate a variety of your engine's functions, such as fuel mixture, ignition timing, …

  8. Understanding Engine Control Modules (ECMs) and Their Functions

    Apr 1, 2025 · An engine control module (ECM) is a computer that monitors and controls the operation of a vehicle’s engine.

  9. What Is An Engine Control Module (ECM)? - matrackinc.com

    Apr 21, 2025 · An Engine Control Module (ECM) is a small computer inside a vehicle that controls how the engine works. It uses information from sensors to manage things like fuel use, air intake, and …

  10. ECM vs PCM vs TCM: Key Automotive Module Differences

    Jun 16, 2025 · Learn the difference between ECM, PCM, TCM, BCM, IDM, and FICM. Discover each module’s role in your vehicle’s performance and how they work together.