Bobcat 873 U109C-57 Error Code
U109C-57 Error Code
Lights Controller Software Incompatible is the main cause of U109C-57 error.U109C-57 code needs proper lubrication of your transmission's moving parts, it's important to always drive with the right amount of clean fluid. It's good practice to periodically scan over the ground where your truck has been parked and check for signs of fluid leaks.
Tip For 873 Model
There is a control lock sensor in the left
console which deactivates the hydraulic
control levers (joysticks) and the traction
drive system when the control console is
raised. The console must be in the locked
down position for the hydraulic control levers
(joysticks) and traction system to operate.
NOTE: If the control lock sensor does not deactivate
the control levers and traction system when
console is raised, see your Bobcat 873 dealer for
service.