The powertrain control module (PCM) in your Jeep Wrangler acts as your engine's brain. Here's where it can cause problems, and how to fix them.

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

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 ...

Ford Motor Company (Ford) is recalling certain 2019-2020 Mustang vehicles equipped with 5.0L engines and manual transmissions. The Powertrain Control Module (PCM) may broadcast an unintended ...

Ford Motor Company (Ford) is recalling certain 2025 Explorer vehicles. The powertrain control module (PCM) may reset while driving, which can damage the park system or cause an engine stall.

There are a few methods of correcting these issues, such as updating the powertrain control module (PCM) and transmission control module (TCM) software, or outright replacing the modules.

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 ...

Almost 31,500 units of the 2024 model year Mazda CX-90 and 2025 model year Mazda CX-70 have been hit with a safety recall stateside. Improper powertrain and engine control module software may ...

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 ...

“The warranty claim was rejected after a Stellantis Calibration Engineer ran Powertrain Control Module (PCM) diagnostics and confirmed that the vehicle’s PCM was tampered with and contained ...