I dont know if anyone is aware of this or not but after I got the pfc installed and tuned, the car will jerk once or twice (max) when cruising. However, this does not always happen and even if it does, its only once (mostly). My mechanic told me it might be the attessa pump showing sign of failure but told me to keep an eye on the torque split gauge to confirm (it will move when it jerks). But it doesnt.
I have called my tuner up and he has confirm that this is a glitch in the pfc (doesnt matter the model) which you are not able to fix. He also assured me that this will not affect the performance or damage the car in anyway. Just thought of sharing this piece of info with everyone else and maybe Paul can add to the list in the URL. Cheers.