I had the update done about 1k miles ago in early august. For 60,000 miles of driving i have had no issues. Until this weekend - which happened to be 3 weeks after the AEM update. It threw the diesel exhaust filter warning and a "Service Electronic throttle control" accompanied by extreme delays in shifting, and it takes a couple of miles to get up to highway speed. pulling into traffic is a no go. Dropped it at my dealer last night after work. we shall see.