trans axle

Hello all, I have a 2016 FJ cruiser with no mods on. Last time i used 4x4 was 2 weeks ago and it was working perfectly fine in the desert sand. Yesterday, i was parked in a sandy area and engaged H4 to get out without getting stuck then i reversed it back to H2. When i was driving, i noticed the...

Update: the issue was resolved by adding 1qt of fluid (by 200ml increments until the problem no longer occurred, and adding 400ml on top). I am also confident that i followed the leveling procedure correctly as i tried leveling at 97-115f and by 115-130f. Temps were verified electrically via the...