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1. mechanicbase.com › electric › pcm-ecm-ecu-vs-tcmThe Key Differences Between A PCM, ECM, ECU, and TCM

   mechanicbase.com › electric › pcm-ecm-ecu-vs-tcm

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   Mar 21, 2024 · A powertrain control module handles the emissions, transmission, and charging systems of your vehicle. As a powertrain module, it is responsible for overseeing the driveline and engine as well. The PCM handles more operations than the ECM and TCM could alone.

2. www.fs1inc.com › blog › difference-between-ecm-ecu-pcmWhat’s the difference between ECM, ECU and PCM?

   www.fs1inc.com › blog › difference-between-ecm-ecu-pcm

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   Oct 18, 2023 · In most original equipment manufacturer (OEM) assemblies, the Powertrain Control Module (PCM) is an integrated system combining the functions of the Engine Control Unit (ECU) and the Transmission Control Module (TCM). Each of these modules comes with its own dedicated processor and memory.

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     How Engine Control Unit (ECU) Works - Full Explained

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     Understanding Powertrain Control Modules

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     Engine Control Module (ECU) Circuits Working Explanation

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4. en.wikipedia.org › wiki › Powertrain_control_modulePowertrain control module - Wikipedia

   en.wikipedia.org › wiki › Powertrain_control_module

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   A power-train control module, abbreviated PCM, is an automotive component, a control unit, used on motor vehicles. It is generally a combined controller consisting of the engine control unit (ECU) and the transmission control unit (TCU).

5. www.ecutesting.com › powertrain-control-modulePCM ECU ECM what's the difference? - ECU Testing

   www.ecutesting.com › powertrain-control-module

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   The terms PCM (Powertrain Control Module), ECU (Engine Control Unit) and ECM (Engine Control Module) can sometimes be used as interchangeable generic phrases for the same thing - a control unit for the engine/transmission system.

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7. www.hptuners.com › articles › vehicle-control-moduleVehicle Control Module Cheat Sheet – ECM vs. PCM vs. TCM

   www.hptuners.com › articles › vehicle-control-module

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   Mar 9, 2023 · Powertrain Control Module, or PCM, manages all the moving parts in your engine like an ECM, but here’s the catch—it also usually manages the transmission. PCM = TCM + ECM. However, they generally are not one physically combined unit—they can be two separate units housed together.

8. cartreatments.com › pcm-vs-ecm-ecu-tcmPCM vs ECM vs ECU vs TCM (What’s the Difference?)

   cartreatments.com › pcm-vs-ecm-ecu-tcm

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   Aug 27, 2024 · The main difference between PCM, ECM/ECU, and TCM is their scope of control in a vehicle: PCM is the most comprehensive, controlling multiple systems; ECM/ECU focuses on engine management; and TCM specifically manages the automatic transmission.

9. www.borstautomotive.com › whats-the-differenceWhat’s the Difference Between an ECU, ECM, TCM, and PCM?

   www.borstautomotive.com › whats-the-difference

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   The power train control module controls all aspects of the power train including the engine, transmission, and driveline. The PCM integrates the functions of the ECU and TCU into one, giving control of the entire powertrain to a single module.