Body Control Module/bcm problems of the 2018 Audi Q5

The contact owns a 2018 Audi Q5. The contact stated that while driving 35-40 mph and accelerating, the vehicle lost motive power. The contact pulled to the side of the road, and the vehicle was able to restart. Several unknown warning lights were illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed that the body control module(bcm) was floating in water. The vehicle was not repaired. The local dealer was not contacted. The manufacturer was contacted and informed the contact that the vehicle was previously repaired under NHTSA campaign number: 21v947000 (electrical system, structure), and the additional repairs were at the contact's expense. The contact stated that the recall remedy was inadequate for the failure. The failure mileage was approximately 58,000.