Modern cars aren't just mechanical anymore; they are rolling computer networks....

https://city-wiki.win/index.php/Why_Does_My_Check_Engine_Light_Keep_Coming_Back%3F_Stop_Clearing_Codes_and_Start_Fixing_Cars

Modern cars aren't just mechanical anymore; they are rolling computer networks. Relying on a basic code reader is like trying to diagnose a patient with a thermometer alone