Modern cars are essentially rolling networks. You can't fix them with a basic...

https://www.sierrabookmarking.win/modern-cars-are-essentially-rolling-networks-you-can-t-fix-them-with-a-basic

Modern cars are essentially rolling networks. You can't fix them with a basic OBD reader that only pulls generic codes. You need professional diagnostic software to talk to every ECU and view live data streams while the engine runs