My car still under warranty -62 k now. Stop going to TCM for servicing after 20k. Have done all servicing at Autosaver(30,40,50,60). I dont think there is any issue on warranty. Just last week complain to TCM on my aircon (noisy), knocking sound when reversing, car dragging at times.
TCM - change to new aicon compressor, change the shaft of my steering and change pulley(I think- as per their invoice). All FOC as under warranty.
So I think if under warranty, no issues if u have problem with your car.