When the technician at the dealership found this he was quite shocked and said he had never herd or seen anything like this on the V9X. spoke with parts at the dealership where I purchased the Ute and they said they had replaced a few turbo’s on V9X, when I spoke with the technician that is working on my Ute he said when he spoke to Nissan they told him sometimes on these a piece of gasket is misaligned when they are put together. The part of gasket brakes of and goes through the turbo and puts it straight in to limp mode. When the technician inspected it he found were the gasket had broken from.
The technician and I are still a bit concerned that something may have gone through the motor causing damage to valves and seats, the cylinder head, pistons and block. Nissan only allow the turbo to be replaced though.
When this happened I was driving along thought id, pull out to pass a car and had nothing. I slowed to a stop but there was never an ounce of white smoke, rattle, or vibration. When I pulled up, I disconnected the battery to try clear any minor fault codas, when I restarted the engine the engine light came on then it was up to roadside assist.