This article show a guide on how to use KTAG to read out Audi BOSCH EDC17 C46 VAG ECU file.And the KTAG device used in the article is Chinese clone version,it is cost-effective.

Procedures:
First,you need to remove ECU from Audi vehicle and open the ECU cover,for the detail you can heck articles: EDC16/EDC17/MED17 ECU Opening Guide

Then check the pinout diagram on KTAG

Build connection between KTAG ECU Tool and EDC17 PCB

Select the plug-in you need:
199-BOSCH EDC17 C46 IROM TC1767 VAG (P199)

Select “Backup” and click “Read” button

Wait for reading progress completing,it will take you several minutes

After reading completing,save the ECU data file on your laptop

Done!