GPS course on PFD on G1000

Apologies if posting to the wrong category or topic… A few months ago I started experiencing that despite route preset before the flight with waypoints or just destination, PFD (G1000) blue course pointer stopped showing directions to the next waypoint. Sorry if being amateur about setting of NAV source to GPS doing something wrong. However the course shows correctly in the pop-up map. Same behavior is observed on preset bush trips. Any advice would be appreciated.
P. S. I remember installing the add-on for G1000 under G36 improvement project, maybe that has something to do with the issue described?

Screenshots, screenshots…

Can you confirm stock or wtt installed?

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