Programming an Engine Control Module. Is it “Plug N Play?”
The majority of Engine Control Modules (ECMs) for vehicles from 1996-present (OBD II) are subject to programming to function properly in your vehicle. Most units before 1996 (OBD I) are referred to as plug-n-play. How do you know what services are needed and available for your vehicle? Domestic Vehicles Required ECM programming on a wide…