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 ...

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 ...

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, ...