That I’m not sure on, but if you’re willing to read some forums or check for a fb group I bet that’s your best bet before taking it in to get a handle on what might be going on. I’m waiting to hear back from my friend, but otherwise I think Jevapa’s advice is best, take it in to the dealer who can flush it and potentially run it for electronic gremlins. They’ll also most likely give a good warranty on replacing the transmission. There’s no good answers for these things on the newer trucks.Yes. But from what I’ve heard is that once the converter goes it trashes the entire system? I don’t really know a lot about car transmissions.