The powertrain control module (PCM) is the brain behind your vehicle’s engine and transmission, but diagnosing it can be tricky. From spotting symptoms to verifying electrical integrity, a methodical ...

The absence of industry-wide standards for Stage 1, 2, and 3 engine tuning is creating challenges for diagnosing and repairing powertrain and engine control modules. Without uniform definitions, ...

The powertrain control module (PCM) in your Jeep Wrangler – often referred to as your engine’s “computer” – acts as the brain of your vehicle’s engine. More specifically, the PCM in your Jeep is ...

Modern cars depend on a vast number of electronics, components, and vehicle systems to send us to and from our destinations. Some of those parts are well-known, like the engine, transmission, and ...

Ram is recalling 2021 model trucks equipped with the 5.7-liter Hemi engine and mild-hybrid eTorque system. Reports indicate that the powertrain control module can cause an over-rich condition in the ...

The General has issued a Service Bulletin describing an available fix for a powertrain control module issue on some 2020 through 2022 Chevy Bolt EV and 2022 Chevy ...

The trucks may experience a loss of signal between the transmission range sensor and the powertrain control module, causing ...