× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
How to make a OBDII scanner
Posted to Technical Tips Forum on 10/31/1999 5 Replies

hello:

I have a lot of materia about OBDII standard ,I have been making a cheap OBD scanner by intel microcontroller,but I cann't undstand: 1)ISO9141-2 says:Diagnostic Request Format is:68 6A F1....data...,but

SAE J1979 says the format is: 69 6A F1....,Whi... Login to read more.

5 Replies Received (View Replies)