Signs & Symptoms of a Failing ECU/ECM! (Engine Control Unit or Engine Control Module)

In today’s video, Zach dives into the heart of your vehicle's electronic brain – the ECM/ECU/PCM/DME – to shed light on its critical role, common symptoms of failure, underlying causes, and effective fixes. Whether you're a seasoned mechanic or a curious car owner, this video will hopefully equip you with the knowledge needed to diagnose and address ECM-related issues, ensuring optimal engine performance and reliability. Commonly referred to as the ECU, or Engine Control Unit, it also goes by many other terms and acronyms: ECM (Engine Control Module), DME (Digital Motor Electronics), or PCM (Powertrain Control Module).

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00:13 – What Does ECU Stand For?
01:19 – What Does a Vehicle’s ECU or ECM Do?
02:38 – Signs & Symptoms of an Engine’s ECU or ECM
05:18 – How to Diagnose a Faulty or Failing ECU or ECM