Read the Chevy High-Performance tech article on How to Program an OBD-II Powertrain Control Module.

GM has issued a service bulletin for the 2020 to 2022 Chevy Bolt EV and 2022 Chevy Bolt EUV describing reprogramming of the Hybrid Powertrain Control Module 2.

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 ...

The powertrain control module isn't the only computer that you can find on contemporary cars, but it is the primary computer that controls most systems and functions for vehicles that utilize a PCM.

Additionally, if the most recent software update for the transmission control module hasn’t been done, dealers will also update that software and perform an adaptive learning procedure.

According to NHTSA, the recall covers 552,188 of the pickups due to a loss of signal between the transmission output shaft speed sensor and the powertrain control module causing the truck to ...