2010 Chevrolet Traverse air bags problems

1. Stopped at red light in 2010 chevrolet traverse SUV and rear ended by a nissan frontier pick up truck traveling at a high rate of speed. Driver's seat belt on but driver's head thrown against windshield and then driver's body slammed against the back of the driver's seat which was forced back to a reclining position. Airbag did not deploy. 2. Seat belt failed to prevent driver's head from hitting windshield if it is supposed to in this type of collision. Did the seat back act properly in such a collision?

Tl* the contact owns a 2010 chevrolet traverse. The contact stated that the air bag sensor illuminated. The vehicle was taken to an authorized dealer. The technician cleared the code but the failure recurred. Also, the contact indicated that while traveling approximately 35 MPH, the vehicle stalled. The vehicle was towed to an authorized dealer who indicated that the engine may need to be replaced. The technician stated that further diagnosis was required. The manufacturer was notified of the failure.