The PCM contains various switches, constants, and tables that control operation of the engine, transmission, and other aspects of the powertrain. VCM Editor is your window into the 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 ...

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 ...

Your Corsica’s idle speed is regulated by an IAC (idle air control) valve, based on commands from the PCM (powertrain control module).

Jaguar Land Rover North America, LLC (Land Rover) is recalling certain 2020-2021 Land Rover Defender vehicles equipped with 6-cylinder engines. The Powertrain Control Module (PCM) may unexpectedly ...

If on continuously, it means that the PCM (powertrain control module) has recognized and recorded a fault in the engine management system. A bad oxygen sensor can trigger the warning light, but so ...

According to the Cape Cod Times, citing the National Highway Traffic Safety Administration (NHTSA), Ford has recalled 24,655 2025 Ford Explorers due to an issue regarding the powertrain control ...