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.

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 ...

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 ...

What Does The P0171 Error Code Mean? The P0171 error code indicates the engine is running lean. The powertrain control module (PCM) monitors the oxygen content of the exhaust post-combustion.

Ford Motor Company (Ford) is recalling certain 2019-2020 Transit Connect vehicles previously repaired incorrectly under recall number 20V-636. The powertrain control module (PCM) software has fail ...

Chrysler (FCA US LLC) is recalling certain Mopar Stage 1 Kit Performance Packages Powertrain Control Modules (PCM) Part Numbers P5160023, P5160025, and Demon Crate PCM Part Number 68412287AA. The ...

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 culprit is a faulty powertrain control module (PCM) that may have been improperly manufactured.