NHTSA Complaint #11669205 — 2023 GMC YUKON

The contact owns a 2023 GMC Yukon. The contact stated that while driving 40 MPH, the vehicle unintendedly decelerated and failed to exceed 10 MPH. The message "Reduced Acceleration" was displayed. The vehicle was driven to the residence. The vehicle was then towed to the dealer, where it was diagnosed that an unknown transmission part needed to be replaced; however, the part was on backorder. Additionally, the contact received notification of NHTSA Campaign Number: 25V274000 (Engine and Engine Cooling), which the contact related to the failure; however, the part to do the recall repair was not yet available. The dealer was contacted. The vehicle was not repaired and remained at the dealer for 11 months. 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, but no assistance was provided. The failure mileage was approximately 37,000. VIN tool confirms parts not available.