If you've had to have your car serviced or had a trouble code read, you may have heard about the PCM, but what does the module do for your car?

The 2025 Ford Explorer is being recalled due to faulty powertrain control module (PCM) software that could reset and cause issues. Along with a potential power loss, it could damage the SUV's ...

Ten years after Masuoka invented flash memory it arrived in the all-new, on-board diagnostic (OBD-I) 1994 LT1 F-body powertrain control module (PCM). The spiffy new controller featured 128 ...

EVAP System Components And Their Functions Powertrain Control Module (PCM) The PCM is responsible for assessing the integrity of the EVAP system by running an EVAP diagnostic monitor during certain ...

The engine control module, or ECM, controls plenty of functions during routine driving, so any issues with that part could cause severe problems.