One problem related to 12v/24v/48v battery has been reported for the 2015 Tesla Model S. The most recently reported issues are listed below.
The contact owns a 2015 Tesla Model S. The contact stated that there was a loud sound coming from the engine while the vehicle was plugged up and charging. The contact disconnected the charger in fear that the battery or the engine may explode. The contact stated that the vehicle failed to be fully charged. The vehicle was not diagnosed nor repaired. The manufacturer was contacted and notified of the failure. The failure mileage was 65,874.