NO GPS ( can ) PROBLEM

hi i have a problem with my gps neo 3 pro cuz after i plug it in can port, and after changing paramerter like can d1 d2 protocol, and can p1 p2 drivers to 1, gps type to 9 and ntf led to 231 i still have no gps
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Heve you set all these?
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There are also some other things to note on the wiki

You should read through the wiki once more and look for anything you might have missed.
https://ardupilot.org/copter/docs/common-cuav-neo-3-pro.html

is that GPS working good? try to replace it with another.

if you have tried these

CAN_P1_DRIVER = 1
CAN_D1_PROTOCOL =1
CAN_P2_RIVER = 1
CAN_D2_PROTOCOL =1
GPS_TYPE = 9

yep … i did all of that but nothing changed … until i flashed the cuav v6x and setup it again … still dont know what was the cause of the problem … but anyway thanks