2024 GMC Sierra 2500 drivetrain & axles problems

The contact owns a 2024 GMC Sierra 2500. The contact stated that while driving at an undisclosed speed, the vehicle briefly hesitated before returning to normal functionality. The check engine warning light was illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the transfer case seals. The vehicle was repaired, but the failure reoccurred. The vehicle was taken back to the dealer, who again diagnosed a failure with the transfer case seals. The vehicle was not repaired.

The contact owns a 2024 GMC Sierra 2500. The contact stated that while driving at an undisclosed speed, the rear axle unexpectedly locked up, and the vehicle stopped in the middle of the road. The rear axle independently released, and the vehicle was driven back to the residence. The dealer was contacted, but the vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 76,300.