There are eighty one threads on this topic, near one thousand replies.
I suggest you use the search function "ASR warning".

If you do not find your issue has been answered in those threads, Bump this thread = it sends me notice to follow up with you.
Have a great day.



Response:
Hi... I'm back with new developments... no more ASR light, now the idle is wacky (that's German btw) and at stop, in traffic, my car surges like it has a pulse... hmmm, never had this kind of an experience before...