Komatsu Fault Code
Free · no signupCode 2301 / A2301
Hoist Body Inoperative / Dump Locked
System
Safety / Interlock
Symptom
Hoist Body Inoperative / Dump Locked
Diagnosis & fix steps
LOGIC: Hoist Lever Position Sensor 1 & 2 Correlation Fault.
ACTION: Measure dual Hall-effect sensor signal sweeps on the cab hoist control lever. Recalibrate hoist lever neutral, raise, float, and lower end-points via monitor panel.
Red Seal field insights
Bed Safety: Prevents unintended bed dumping while hauling at speed if the hoist lever potentiometer tracks disagree by more than 5%.
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