For the second time in just over a month, the Los Angeles County Sheriff's Department's computer dispatch system crashed on ...

The electronic control module (ECM) or powertrain control module (PCM) is the main computer that controls ... it oversees the electrical system of the car, but focuses on engine performance.

A car diagnostic test is a digital analysis of your car’s computer systems and components. The test scans components and systems to check for issues with the engine, transmission, oil tank, throttle, ...