One problem related to blind spot detection has been reported for the 2011 Ford F-150. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Ford F-150 based on all problems reported for the 2011 F-150.
While truck is running it suddenly jolts an downshifts to first gear. Then jolts again into gear. It takes a while sometimes for it to get back in gear and running. Does it randomly but more and more often. Mechanic serviced transmission said it was fine. Feels unsafe to drive.