The contact owns a 2013 Chevrolet Volt. The contact stated while driving approximately 76-77 MPH, the vehicle experienced reduced power. The message ‘Low Propulsion’ was displayed, and the engine revved significantly. The contact moved over to the far-right lane to pull over to the side of the road as needed. The contact stated that the failure had been recurring temporarily. The contact had researched the failure online and became aware that the release of the accelerator pedal while the failure was occurring could temporarily correct the failure. The dealer and the manufacturer were not notified of the failure. The vehicle was not diagnosed or repaired. The failure mileage was approximately 61,000.