Advertisement Counterman Education Center VIDEO: Unlocking The Mystery Of The Engine Control Module ByCounterman Staff on January 12, 2021 Close Video Watch Video Distraction Free Unlike the man behind the curtain in “The Wizard of Oz,” there’s nothing mysterious about the electronic control module, or ECM. Advertisement Sure, you might know it as the powertrain control module or the engine control unit. But don’t let that confuse you. It’s essentially a computer that serves as the brain of the engine.AdvertisementClick Here to Read MoreAdvertisement This video is sponsored by the Automotive Distribution Network. Advertisement In this article:Engines, Technology, The Network Click to comment Counterman Education Center: VIDEO: Bench-Testing Starters And Alternators Counterman Education Center: VIDEO: Putting Together An Emergency Kit Counterman Education Center: VIDEO: What Is A Universal Joint? Counterman Education Center: VIDEO: TPMS FAQ Advertisement WEBINARS Watch a webinar for free on-demand! GUESS THE CAR The winner will be rewarded $100. SUBSCRIBE Stay up to date with the latest Counterman news.