NHTSA Complaint #11717207 — 2021 GMC YUKON

The contact owns a 2021 GMC Yukon. The contact stated that while shifted into drive(D), the accelerator pedal was depressed, and the vehicle lost motive power, and several unknown warning lights were illuminated. The contact stated that the check engine, stability control, and several other warning lights were illuminated. The contact stated that the vehicle was making abnormal whining sounds, and the vehicle failed to accelerate above 20 MPH. The contact had been experiencing the loss of motive power with the vehicle for approximately 2 years; however, the failure was intermittent. The contact had taken the vehicle to a local dealer on several occasions; however, the failure persisted. The contact notification of NHTSA Campaign Number: 25V274000 (Engine and Engine Cooling); and the vehicle was taken to a local dealer for the engine to be tested. The contact was advised by the dealer that the engine had passed the test, and a higher viscosity oil was added, and the oil filter and oil filler tube were replaced, along with updating the manual. The vehicle was repaired; however, it was still experiencing a loss of power with several warning lights illuminated. The manufacturer was made aware of the failures. The failure mileage was approximately 42,000.