I am ok with using a computer and I'm ok with making simple repairs on cars. I just don't know the first thing when the two are mixed. I want to learn how to hook up a computer to a car and read and decipher codes. Can a laptop work with a serial cable and special software, or is there a special automotive computer that only the dealer shop has? Are there any how-to sites, manuals etc?
Please go easy on me, I'm new to this
Phil