The contact owns a 2018 GMC Sierra 1500. The contact stated that while driving at 45 MPH, the vehicle began to shudder, and he decreased the speed. The contact drove to his residence. The next day the vehicle was driving as expected until it became hot and began to shudder again. The transmission was not shifting as designed. The contact checked underneath the vehicle but failed to locate an issue with the transmission. The rear differential was hot and burned his fingers, but medical attention was not provided. The vehicle was taken to the local dealer, where it was diagnosed that the torque converter and transmission needed to be replaced. The vehicle was not repaired. The manufacturer was contacted, but no additional assistance was provided. The failure mileage was approximately 22,000.

- Parrish, FL, USA

The contact owns a 2018 GMC Sierra 1500. The contact stated that while driving approximately 28 - 35 MPH, the vehicle started shaking abnormally. There were no warning lights illuminated. The contact continued driving cautiously. The vehicle was taken to the dealer to be diagnosed and it was determined that the torque converter had failed and needed to be replaced. The vehicle had not been repaired. The contact stated that the torque converter had been replaced twice with the first replacement performed at approximately 27,000. The manufacturer was made aware of the failure. The manufacturer had referred the contact to the NHTSA Hotline to report the failure. The failure mileage was 66,000.

- Knoxville, TN, USA