... Electronic Climate Control, Body Control Unit, just to name a few examples. Since Opel uses many ... pin for communication. PIN3, PIN7, PIN8, PIN12 = Serial Link (ISO9141, KW81, KW82, KWP2000) Fault codes ... there will be NO COMPATIBILITY ISSUES, with serial to USB converters. The speed of the communication ... used with a special interface hardware. A simple serial or USB port based standard interfaces (K, ...