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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. 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 …

  3. What Is an Electronic Control Unit (ECU) and How It Work

    Oct 15, 2023 · An electronic control unit (ECU), or electronic control module (ECM), is a common electronic device or module. Although it can be used in various fields such as medical, …

  4. 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.

  5. What Is an Electronic Control Module? - NAPA Know How Blog

    Aug 30, 2018 · The electronic control module is an onboard computer responsible for keeping your engine running at its best and alerting you when something is wrong.

  6. What’s the difference between ECM, ECU and PCM? - Flagship One

    Mar 12, 2018 · The Powertrain Control Module (PCM) is an essential part of your vehicle’s electronic management system. Often considered the vehicle’s brain, the PCM is a multifunctional controller …

  7. The Ultimate Guide to Electronic Control Module: What Are They

    What is an electronic control module? An electronic control module (ECM)–also known as an electronic control unit (ECU)–as the name suggests, manages your electric vehicle’s (EV) subsystems. It …

  8. Automotive Engine Control Unit or Engine Control Module-Overview

    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 …

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

    Jun 16, 2025 · In this guide, we’ll break down the most common types of automotive control modules: ECM, PCM, TCM, BCM, IDM, and FICM —what they control, how they differ, and why they matter.

  10. Electronic Control Unit Overview: Components and Functions

    Mar 21, 2025 · An Electronic Control Unit (ECU) is an embedded system within automotive electronics that manages one or more electrical systems or subsystems in a vehicle. Modern vehicles often …