Hello, I have a 2006 RR Vogue 4.2 SC V8, everything is fine with the transmission using 1, 2 and 3 gears, when it goes to 4 gears, the engine accelerates but does not move, seeming to have the clutch secure, after a failure it it goes back to 3rd gear and after a few tries it goes into emergency mode.
You can use S mode and drive downhill and go to 4th, 5th and 6th gear if you don't hit the gas and then down from 6th, 5th and 4th until you get to 3rd gear and accelerate again.
Here in my city they just want to redo the entire gearbox, but I believe it's a small problem knowing the general good functioning.
Can you help me?

Probably a worn rear stator bush

https://www.fullfatrr.com/forum/post348432.html#348432

Phil