About 256,000 results
Open links in new tab
  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. What is an ECM: Understanding the Engine Control Module

    What does ECU/ECM stand for? An engine control module, also known as an engine/electronic control unit (ECU), is a type of engine control system that manages various aspects of an …

  6. Automotive Engine Control Unit or Engine Control Module

    The Automotive Engine Control Unit (ECU)/Engine Control Module (ECM) is a critical component that plays a vital role in the performance, efficiency, and emissions of modern vehicles.

  7. Bad Engine Control Module (ECM): Symptoms, Repair, …

    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 …

  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. 5 Symptoms of a Bad ECM (And Replacement Cost in 2026)

    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.

  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.