Starter Relay problems of the 2012 Audi A6

The contact owns a 2012 Audi A6. While driving approximately 15 mph, the vehicle stalled without warning. After waiting minutes, the vehicle restarted and there was a significant reduction in the engine power and the accelerator pedal was engaged. The failure recurred five times. The vehicle was taken to the dealer for diagnostic testing. The mechanic stated that the starter relay could have possibly caused the failure. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 66,000. The VIN was unavailable.