NHTSA Complaint #11611651 — 2023 CHEVROLET SILVERADO 3500

The contact owns a 2023 Chevrolet Silverado 3500. The contact stated while driving at approximately 40 MPH, the foot was removed from the accelerator pedal while slowing for a traffic signal and the rear tires locked up as the vehicle was downshifting. The contact stated that it felt as if the brake pedal had been depressed. The contact stated that the rear tires made an abnormal screeching sound. The contact stated that the tires started rolling, but the wheels then locked up. The contact stated that several warnings illuminated on the instrument cluster. The contact had taken the vehicle to a local dealer where it was diagnosed and determined that the transmission valve body needed to be replaced. The vehicle was repaired. The contact stated that failure reoccurred. The contact took the vehicle back to the same dealer who diagnosed that the valve body had failed and had damaged the transmission. The contact was informed that the transmission needed to be replaced. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 9,000.