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.

The Powertrain Control Module (PCM) monitors tons of data to keep your Silverado going down the road. One crucial piece of data is engine RPM (revolutions per minute); this data is pulled from the ...

The powertrain control module (PCM) software has fail-safe temperature threshold values higher than intended for the engine. This may delay engine cooling and result in engine overheating.

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 affected vehicles did not have the Powertrain Control Module (PCM) updated as intended. Therefore, the Canister Purge Valve (CPV) may malfunction, possibly causing excessive vacuum in the fuel ...

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 ...