Modern vehicles are basically computers on wheels. When you rely only on a...

https://www.coast-bookmarks.win/modern-vehicles-aren-t-just-mechanical-anymore-they-are-complex-networks-of

Modern vehicles are basically computers on wheels. When you rely only on a basic OBD reader, you are basically playing a guessing game because those tools usually just show basic engine codes. Real diagnostic software lets you talk to every ECU in the car