12v/24v/48v Battery problems of the 2020 Chevrolet Spark

The contact owns a 2020 Chevrolet Spark. The contact stated that while driving at 15 mph and depressing the accelerator pedal, the vehicle lost motive power. The contact exited the vehicle, unlatched the hood, and wiggled the battery cable, and the vehicle worked as intended. No warning light was illuminated. An independent mechanic and the dealer were contacted. The vehicle was taken to the dealer and was inspected, and the contact was informed that the transmission needed to be replaced. The vehicle was then taken to an independent mechanic, where it was diagnosed, and it was determined that the battery cables needed to be replaced. The transmission was replaced; however, the battery was not replaced. The manufacturer was not notified of the failure. The approximate failure mileage was 243,656.