While the ECU focuses primarily on engine functions, the PCM provides comprehensive control over the entire powertrain system. This distinction is crucial in understanding the complexity and efficiency of modern automotive technology. Check engine light or other warning lights Poor fuel efficiency Engine misfires or stalling ...

While the ECU focuses primarily on engine functions, the PCM provides comprehensive control over the entire powertrain system. This distinction is crucial in understanding the complexity and efficiency of modern automotive technology. Check engine light or other warning lights Poor fuel efficiency Engine misfires or stalling ...