Case IH Tractor ARM 18039 Fault Code: Front Hitch Drop Rate Potentiometer Voltage Too Low
Case IH ARM 18039 is an armrest controls fault code. The official description is: Front hitch position drop rate potentiometer – voltage too low. In practical terms, the ARM controller is seeing a voltage signal from the front hitch drop rate potentiometer that is lower than expected. This does not automatically prove the potentiometer itself…