gehl gt210 code 29

[qms]

i have a gehl gt210 3 gen that had a 23 code and no lift or lower so i replaced the right joy stick and now i still have no lift lower
but now it has a code 29 i reinstalled the old joy stick it displays the same issues as the new one what can it be

 

[Await6994]

Not sure if it helps you any, but the manual says error code 29 is:

No CAN Communication drive / lift arm / standard aux. flow control module to main / drive control module