One fix is simply squirting the stepper motor plunger thing with some lubricant and perhaps cycling the stepper a few times. It would be of interest to most (I think) if you tried this simple fix first so that others would know if they could fix this issue simply in the field. There was also an issue with the first map program that came on early bikes that created a stalling issue. Is your bike a 2011 that was not updated? You should rule that out first.