Case IH Tractor ARM 159 Fault Code: Hitch Drop Rate Potentiometer Failed
What ARM 159 Means On a Case IH tractor, fault code ARM 159 is related to the ARM controller, which is associated with armrest controls. The official description for this fault is: Hitch DROP RATE potentiometer is failed. In practical terms, the tractor has detected a problem with the potentiometer used by the armrest control…