What does the drivetrain control module do?
What does the drivetrain control module do? The powertrain control module, aka PCM, is your vehicle's brain. It manages the engine, transmission and other systems based on information it receives from various sensors around the vehicle. What is the function of a powertrain module? Powertrain Control Module (PCM): Brains of the Car. The PCM controls ignition timing, fuel delivery, valve timing in engines with Variable Valve Timing), emissions functions, turbo boost pressure in turbocharged engines, idle speed, throttle position and cruise control. What is the powertrain control module in a car? Although numerous parts of your vehicle are important to...