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.

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.

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 ...

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.

An issue with the powertrain control module software has prompted Stellantis to recall 131,700 of its Ram 1500 pickup trucks.

Code P0720 is one of the OBD codes that is activated when the Powertrain Control Module (PCM) detects erratic or insufficient input from the output shaft sensor (OSS). Such a code generally indicates ...

Ram is recalling 131,700 of these trucks because the powertrain control module could cause a situation where there’s an incorrect fuel mixture.

These vehicles were part of a previous recall (24V-330), but the Hybrid Powertrain Control Module (HPCM) software wasn’t updated correctly.