The ECM is another term for the ECU, used interchangeably in some vehicles. It monitors and controls engine functions, including fuel delivery, ignition timing, and emissions control, to keep your car running smoothly. Understanding the role of these vital components in your vehicle's powertrain control system is crucial for diagnosing and resolving any issues. In this comprehensive guide, we will delve into the world of ECUs, PCMs, and ECMs to help you understand their functions, differences...

The ECM is another term for the ECU, used interchangeably in some vehicles. It monitors and controls engine functions, including fuel delivery, ignition timing, and emissions control, to keep your car running smoothly. Understanding the role of these vital components in your vehicle's powertrain control system is crucial for diagnosing and resolving any issues. In this comprehensive guide, we will delve into the world of ECUs, PCMs, and ECMs to help you understand their functions, differences...