Hello ! Have for a few weeks a S80 , 2.4 , 170 Ps, right-hand handlebar, with automatic transmission. The transmission switches, as soon as it is warm, after approx. 5 to 10 km, no more “normal ” from the 2nd to the 3rd gear. The speed increases, then with a ruck the transmission switches, or I go first from the gas, then the transmission plugs in, and everything is excellent. Otherwise the transmission works 100 percent. So I’ve been to Volvo 2 times. At the first time new softweare was played up. Going about 300 to 400 km well, then I had the same problem again. Again to Volvo. Again the tester, but no display, nothing found. Diagnosis of Volvo, it could be the valves, which for some reason not open properly from the 2nd to the 3rd gear. Exchange should cost about 2000 euros. Gear oil change I had already made, only the 4 liters. Since the explanation of Volvo is not consistent for me, now my question, can be over the control device, electronics, that lock the 3rd gear, that one switches right to the 4th gear, and thus, and there goes for the logical error.