AIRBAGS FAILED TO DEPLOY IN A VEHICLE CRASH AT 55 MPH WHEN HIT BY LARGE PICKUP TRUCK HAULING EMPTY HORSE TRAILER WHEN DRIVER FELL ASLEEP AT WHEEL. IMPACT CAUSED 2011 MALIBU TO SPIN AT HIGH VELOCITY AND ROLL OVER. NONE OF THE AIRBAGS DEPLOYED. INJURY OF FRONT PASSENGER OCCURRED. THE SDM MODULE READING SHOWED "NO EVENT" OCCURRING AND THAT IS JUST PLAIN UNBELIEVABLE. A COMPLAINT HAS BEEN FILED WITH GM AND DENIED. *KB