Hello My name isXXXXX will be glad to assist you today in answering your questions.
Something don't smell right here, something is wrong. They have not diagnosed the issue you correctly. If your left front brake caliper was freezing up then the car would pull left not right. Along with if the abs module was bad there should be a code or a light or something to tell you there is a problem. No codes equals no problems.
A slight wear difference between the inner and outer pad is not good, but not something I would replace a control module for, and a control module can not make a brake caliper press differently on the inner and outer pad. This is a caliper issue. either someone did not install the pads correctly, or there is a caliper issue. now if the ABS control module has gone bad, then have them give you the code, and ask how did you diagnose this, if they give you some bull shit answer or they more or less suggest they are guessing ignore them, get a second opinion sounds like this dealer is looking for big money, and not looking to fix there f**k ups, they did not put the pads in correctly causing the wear, and the ABS module is fine. At least that's what I would guess.
Hello Bryan, thank you for answer. Sorry for delay, but I wrote my question at late night, just before sleeping. Yeah, You basically confirmed, what I thought. I cannot see any connection between insufficient braking and ABS controller. However I am not Audi specialist even I was an aircraft engineer. So I was not sure, if there is really not something which affects each other. But I think, that the car should really be pulled to the right, because the right side is braking more. Also What I think, that somebody did not make a good job last time, when they replaced pads. It is just 15000 km on perfect roads. Just correct me please if I am wrong. And just to make clear one more thing please, as I read several opinions. Is it really necessary to change always brake rotor when changing pads?