3D printing and layer shifting

was wondering if any fellow 3d printing people could help me with some print issues! recently i picked up an anycubic kobra go, and it's been great in terms of quality and ease of use, but my one issue has been consistent layer shifting that seems to happen when the printhead is moving anything over like 30 mm/s. IDK if it's a fault with the belt or the motor or something because my wheels and belt are both correctly tightened. was thinking maybe the motor was defective?? anyone else have similar issues?