JCB Fault Codes

765 JCB machine fault codes with their descriptions, grouped by machine family. Search by code or keyword.

Got one of these on a JCB machine? Alt Tune can supply a corrected ECU file — DPF / EGR / SCR delete and fault removal. Find your machine →

4.4 4.4L ECOMAX (12)

B1000-46Auxiliary hydraulic joystick roller - signal rationality fault [M-38]

B1001-64Boom extend/retract hydraulic joystick roller - signal rationality fault [M-38]

B1003-64Boom lower pilot pressure sensor - signal rationality fault [M-39]

B1004-64Auxiliary dump switch - signal rationality fault [M-39]

B1005-64Armrest proximity switch - signal rationality fault [M-39]

B1006-64Servo cutoff switch and armrest proximity switch - signal rationality fault [M-39]

B1007-54Boom extend calibration required [M-40]

B1008-54Boom retract calibration required [M-40]

B1009-64Boom retract switch - signal rationality fault [M-40]

B100A-54Boom lower calibration required [M-40]

B100B-54Boom angle sensor calibration required [M-40]

B100C-64LLMI transducer 1 - signal rationality fault [M-40]

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JCB Fault Codes

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