One problem related to engine shut off without warning has been reported for the 2015 Acura TLX. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 Acura TLX based on all problems reported for the 2015 TLX.
Car stalled while stopping at traffic light twice in two weeks. Both times car shut off completely. I had to put it in park and then restart the car. This is a safety concern.