Driveline Chain/belt problems of the 2010 Buick Enclave

The contact owns a 2010 Buick Enclave. The contact stated that while driving at undisclosed speeds, the check engine warning light illuminated. The vehicle was taken to the dealer where it was diagnosed that the timing chain needed to be replaced. The vehicle was repaired; however, the failure recurred. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to the dealer where it was diagnosed that the timing chain needed to be replaced. The vehicle was repaired however, the failure recurred. The vehicle was taken back to the dealer where it was diagnosed again that the timing chain had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and the contact was informed that the issue would be escalated. The failure mileage was approximately 78,000.