Aircraft with G1000 while on ILS approach, plane banks severely left and right

[Michail71]

I also posted this earlier today in G1000 Issues thread. I was going into a hard left bank in ROL mode, and every time I crossed a waypoint it would go into ROL mode with hard left bank.

On another flight it happened in heading mode while I was messing with the ATC menu.

Garmin G1000 NXi Issues and Support

I had had some odd issues with the auto pilot today. When ROL mode was activated, the airplane started going into a steep left bank. This happened the first time when I was level and activated the AP. In NAV mode following the GPS, when I was near a waypoint (even if there was no course change) the autopilot would switch into ROL mode and then start the hard bank. It did not do them on all waypoints, just most. Then when I was activating an ILS approach that I was well lined up for, it start…