By using the information from these sensors, the PCM will make appropriate adjustments where necessary by using actuators. It does this by monitoring the information that the many sensors in the car give it. Basically, whenever you drive the car, the PCM is there to command the powertrain components on what to do according to your command.Īnd when something isn’t working properly, it will make appropriate adjustments to fix the anomaly. This includes engine operation, gear changes in the transmission, and more. The PCM controls everything that’s related to the car’s powertrain. The Powertrain Control Module is a computing unit consisting of the Engine Control Unit (ECU) and the Transmission Control Module (TCM). This will give you a better understanding of why a repair may be necessary. Conclusion What Does A Powertrain Control Module Do?īefore we get to the PCM reprogramming cost itself, we always like to explain what the component in question does and how it does it.We’ll discuss the PCM reprogramming cost in this post, along with everything else you need to know about the Powertrain Control Module. If you’re noticing weird behaviors with your car, the PCM might just be faulty and reprogramming may be necessary. One of the most important ones is the Powertrain Control Module or PCM. Modern cars are full of computers to keep them running smoothly.
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