I wanted to chime in on this post. It's the only one I've been able to find online that exactly describes what I experienced. I've been dealing with this exact same issue since Dec 5th of 2013 and ~8,000 miles on the odometer. However, I live in CA so cold, snow/ice and traction control can't be the cause. Summary of my problem: When braking in EV / Auto mode the car entered "LIMP MODE" The dash lights up with the wrench (solid), CEL, Adv trac, Stability Trac, and dialogue box that rotates between three messages (See Manual, Service AdvancTrac, and Hill Assist not available). LIMP Mode deactivates the Accelerator and cruise control like you mentioned. The scary thing is this has happened to me 3 times over the course of 6000 miles. Each time my dealer "fixed" the issue. Once via the October software update and once by replacing the PCM. Has anyone else experienced LIMP mode? I'm trying to figure out the cause. At this point my Fusion is unsafe to drive. Ford Corporate is even looking into the case, though my dealer is an absolute joke and has all but ignored me. I'll cross my fingers yours was a one time thing and that you don't end up like me with an ongoing safety concern. I'm truly hoping I just got a LEMON and that other folks' fusions are fine. If folks are interested in more detail about what happened PM me or check out my blog where I'm documenting the ongoing saga. Thanks!