Hello, is it possible to read and then write ecu for VW Passat B6 2008 2.0TDI 103Kw?
I tried to read ecu ID and it was successfull. But I was afraid to start reading, so I want ask somebody to make sure I will not damage anything.

VW Hardware Number: 03L907309
VW Software Number: 4135
VW System Type: R4 2,0L EDC G000SG
VW Engine Code: CBAB
VW System Data: EDC17_CP14
Flash Attempts: 3 Times
Flash Programmed Ok: 3 Times

Also, what does it means last two lines?