NHTSA Complaint #11668958 — 2021 GMC YUKON XL

The contact owns a 2021 GMC Yukon XL. The contact stated that while driving at various speeds, there was a whining sound coming from the transmission. The vehicle was taken to the local dealer, who diagnosed that the transmission pump had failed, causing severe damages to the transmission. The contact was advised that the transmission needed to be replaced. The transmission was replaced but while retrieving the vehicle from the dealer the vehicle failed to start. The vehicle was inspected by the dealer, and it was determined that the engine had seized and needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure, but no assistance was provided. The contact was informed that the VIN was not included in the NHTSA Campaign Number: 25V274000 (ENGINE AND ENGINE COOLING). The contact stated that the vehicle had experienced the failure listed in the recall. The failure mileage was 73,000.