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  1. 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 …

  2. 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 …

  3. What is the Electronic Control Module (ECM)? | Cummins Inc.

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

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

    Apr 21, 2025 · An Engine Control Module (ECM) is the central computer that manages fuel, ignition, and emissions for efficient engine performance. A failing ECM causes issues like poor …

  5. How Does an Engine Control Module (ECM) Work? - Blessed ...

    Aug 18, 2025 · The Engine Control Module (ECM), often referred to as the engine’s “brain,” is a sophisticated onboard computer that controls engine operation. It receives inputs from …

  6. 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.

  7. Understanding Engine Control Modules (ECMs) and Their ...

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