Hi !

Some ideals for your ref:

The hydraulics operate normally, the traction does not operate correctly, and the dash is operational but no status codes are present.

This is Status code#52 ---> Traction or pump speed sensor error
==>Traction or pump motor operates very slowly and jerky

Possible causes:
-Disconnected or broken sensor wires between motor and motor controller.
-Malfunction of motor encoder bearing.

Pls recheck this first before you think controller

Rgds