I hate answering my own post
1. delete telenav BT profile on BB
2. power off BB (hard power off)
3. BB battery pull
4. power off telenav gpsr
5. telenav gpsr battery pull (10 mins)
6. battery in and power up both devices
7. pair as usual
fixed!! (or so it seems baesd on the new BT profile I see.. testing now to confirm the app is working normally).