The contact owns a 2015 Chevrolet Traverse. The contact stated while driving 20-25 MPH, the vehicle in front of her vehicle stopped abruptly, causing the contact's vehicle to hit the rear end of the other vehicle. The air bags did not deploy. The contact's grand-daughter who was occupying the front passenger's seat hit her chin against the dashboard. The contact's grand-daughter sustained a bruise on the chin but did not seek medical assistance. The vehicle was drivable. The contact later filed a police report but did not have the police report information available. Additionally, the contact received notification of NHTSA Campaign Number: 23V334000 (Air Bags) however, the part to do the recall repair was not yet available. The local dealer was contacted several times. The vehicle was not diagnosed or repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the failure. The failure mileage was approximately 135,000. Parts distribution disconnect.