RomRaider

Hello! please help me figure it out, I can’t understand what could be the reason.
Input data:
ej205, tz automatic transmission, vf38, twin scroll exhaust, 76mm downpipe, middle stock. Fuel 100, no ecology.
During acceleration at 100% throttle, after 5000 rpm, slight jolts appear in 2nd and 3rd gear. Sometimes there are no shocks, but it feels like the speed is hanging, the effect is like on a CVT.According to the logs, there are no misfires or detonation, only a drop in revolutions or their “freezing” is visible.Could this effect be due to the transmission?
Is it possible to see in the logs whether the automatic transmission is operating incorrectly, what parameters need to be monitored and what values ​​should be taken as reference values?
Thanks.