Case IH Tractor Fault Code ARM 9031: Hand Throttle Calibration Not Acceptable
What Case IH ARM 9031 Means Fault code ARM 9031 is a Case IH tractor fault from the ARM controller, which relates to armrest controls. The official description is: Hand throttle potentiometer calibration results not acceptable. In practical terms, the ARM controller has detected that the hand throttle potentiometer calibration did not produce an acceptable…