12v/24v/48v Battery problems of the 2018 Chevrolet Traverse

The contact owns a 2018 Chevrolet Traverse . The contact stated that while at a complete stop and attempting to come out of auto stop the vehicle would not restart. The contact stated once the vehicle restarted the vehicle hesitated. The contact stated while the vehicle was stopped at a stop light the vehicle drifted backwards and stalled. The contact also stated while attempting to start their vehicle it wouldn't start. The contact states the vehicle made an abnormal sound as if the engine will stall. The contact was able to restart the vehicle after multiple attempts and having the vehicle jumped. The contact then continued to drive, and once stopped again at a stop light the vehicle stalled and would not restart. The contact had the vehicle towed to a dealer who diagnosed and replaced the alternator. The contact stated following the alternator repair the service battery "battery charging system service" message appeared on the instrument panel. The contact stated after clearing the message a "battery saver mode" alert came across the instrument panel. The contact took the vehicle to the dealer and they diagnosed the failure as the battery and a sensor. The battery and the sensors were replaced however the failure persisted. The manufacturer was made aware of the failure and advised the contact to reach out to the states attorney general and contact the NHTSA hotline. The vehicle was not repaired. The failure mileage was approximately 149,000.