ECM: The ECM is similar to the PCM but may have a narrower focus on engine-related functions. It monitors and controls various engine parameters to ensure optimal performance and efficiency. Common Issues with ECU, PCM and ECM The ECU, PCM, and ECM are electronic control units responsible for managing various aspects of your vehicle's operation. Each component plays a critical role in ensuring your car runs smoothly and efficiently. Here's a breakdown of what they do: ...

ECM: The ECM is similar to the PCM but may have a narrower focus on engine-related functions. It monitors and controls various engine parameters to ensure optimal performance and efficiency. Common Issues with ECU, PCM and ECM The ECU, PCM, and ECM are electronic control units responsible for managing various aspects of your vehicle's operation. Each component plays a critical role in ensuring your car runs smoothly and efficiently. Here's a breakdown of what they do: ...