NHTSA Complaint #11516153 — 2016 CHEVROLET TRAVERSE

While driving on highway, experienced sudden/acute loss of engine power. Depressed acceleration pedal, but no response from engine. No CEL. Pulled to the shoulder and vehicle couldn't start. Key starter clicks but won’t turn over. No CEL. Still have some electrical power because radio, dash lights, and AC remain on. Could not jump start, batt indicated 12V. Car has been to repair shop 8 times since Nov 2020 (purchased April 2019 used 38k miles) for same issue. Mechanics find they cannot replicate the issue. Has caused accident by sudden deceleration in high speed traffic conditions (highway).