The hybrid models have a coolant pump that cools control electronics. The pump can fail or spin slowly, which causes a Check Engine Light to illuminate and complete engine shut down.
Resources for the Repair and Maintenance of your 2011 Ford Escape Hybrid
2011 Ford Escape Hybrid
2011 Ford Escape Hybrid Problems
2011 Ford Escape Hybrid Reviews
Great vehicle have 5000 miles on it. Did have the 12 volt battery die after sitting unused for three days but believe I caused the issue by leaving a radar detector plugged into the 12 volt power port which I since have learned can keep the vehicles electronics from going to sleep thereby draining the battery