Two problems related to engine shut off without warning have been reported for the 2014 GMC Acadia. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2014 GMC Acadia based on all problems reported for the 2014 Acadia.
The vehicle shuts down without warning at various speeds. From 5mph-70mph. This happens erratically and without warning. It results in an immediate loss off all power.
I was driving at roughly fifty mph when engine shutoff and put vehicle into neutral to pullover avoiding rear end crash by semi truck I attempted to start vehicle but vehicle engine locked without any warning I called dealer and towed into service and it was something internal in engine and told to wait for more info.