The contact owns a 2017 Chevrolet Silverado. The contact stated that while her husband was driving at 70 mph, he hit a deer. Only the trim of the side curtain air bags deployed with a powder substance released from the air bags. The driver and passenger-side air bags did not deploy upon impact. No injury was sustained. A police report was filed. The vehicle was towed to a tow yard. The dealer was made aware of the failure but informed the contact that there was no recall associated with the VIN. The vehicle was not diagnosed nor repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 42,000.