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Case IH fault codes & repair guides

All 9,847 codes· 50 per page · page 6 of 197

Case IH fault codes with controller, issue summary and a link to the full repair manual
CodeControllerIssue summaryRepair manual
73Transmission Controller (TRANS)Software is out of the calibration mode and the park brake request is still active.Full repair manual for code 73, Transmission Controller (TRANS)
73Transmission ECMECM (2) SUPPLY VOLTAGE (12VF) IS TOO HIGHFull repair manual for code 73, Transmission ECM
74ECM (Engine Control Module) / Transmission ECU / TCU (Tractor Control Unit)ECM SUPPLY VOLTAGE (12VF) IS TOO LOW (Code 74) / PTO is commanded off but the PTO speed is greater than zero (Code 5014)Full repair manual for code 74, ECM (Engine Control Module) / Transmission ECU / TCU (Tractor Control Unit)
74Transmission Controller (TRANS)The park brake is commanded on and gear is engaged, but there is no park brake request from calibration.Full repair manual for code 74, Transmission Controller (TRANS)
74Transmission ECM (Power Shuttle ECM)V_12VF_FAILED_LOW 3 Fixed Crit.DisFull repair manual for code 74, Transmission ECM (Power Shuttle ECM)
75PTO ControllerPTO Controller Hardware FailureFull repair manual for code 75, PTO Controller
75Transmission Controller (TRANS)Engine speed from Inst Controller does not match the speed signal from the alternator.Full repair manual for code 75, Transmission Controller (TRANS)
75Transmission Control Unit (TCU) or Central Control Unit (CCU)Shaft 3 speed sensor faultFull repair manual for code 75, Transmission Control Unit (TCU) or Central Control Unit (CCU)
76Transmission Controller (TRANS / TCU)Engine speed from Engine Controller does not match the speed signal from the alternatorFull repair manual for code 76, Transmission Controller (TRANS / TCU)
76Transmission Control Unit (TCU) / Transmission ControllerNo Shaft 3 speed sensor faultFull repair manual for code 76, Transmission Control Unit (TCU) / Transmission Controller
76Transmission ECM (Electronic Control Module) / ECUNVM_RD_ERR (68 Fixed Mod) - Non-Volatile Memory Read ErrorFull repair manual for code 76, Transmission ECM (Electronic Control Module) / ECU
76Transmission ECM / Rear PTO Controller (CCH)ECM TRIPLICATE READ ERROR IN THE NON-VOLATILE MEMORY (NVM)Full repair manual for code 76, Transmission ECM / Rear PTO Controller (CCH)
77Armrest Controller / Tractor Management Frame (TMF) / Transmission Controller (TCU) / Engine ECM / Autopilot ControllerRemote PTO Switch Closed with PTO Running / Wheel Speed Sensor Signal MissingFull repair manual for code 77, Armrest Controller / Tractor Management Frame (TMF) / Transmission Controller (TCU) / Engine ECM / Autopilot Controller
77Transmission Controller (Transmission ECM)No signal from wheel speed sensorFull repair manual for code 77, Transmission Controller (Transmission ECM)
77Transmission Electronic Control Unit (ECU)V8_VREF_FAILED_HIGHFull repair manual for code 77, Transmission Electronic Control Unit (ECU)
78Transmission Controller (TRANS / TCU)Transmission regulated pressure accumulator is dischargedFull repair manual for code 78, Transmission Controller (TRANS / TCU)
78Transmission ECMV8_VREF_FAILED_LOW (5 Fixed Crit.Dis)Full repair manual for code 78, Transmission ECM
79ARM (Armrest Controller)Invalid Configuration - HITCH LOAD command potentiometer is failedFull repair manual for code 79, ARM (Armrest Controller)
79TRANS (Transmission Controller)Engine RPM from the alternator is measured too highFull repair manual for code 79, TRANS (Transmission Controller)
80TMF (Tractor Multi-Function) ControllerMFD fault condition in softwareFull repair manual for code 80, TMF (Tractor Multi-Function) Controller
80Transmission Controller (TRANS) or Instrumentation Controller (ICU / Inst Controller)The Transmission output RPM speed, sourced from the sensor, measured by the controller is too high for the desired gear.Full repair manual for code 80, Transmission Controller (TRANS) or Instrumentation Controller (ICU / Inst Controller)
80TRANS (Transmission Controller)Wheel speed sensor is measured too highFull repair manual for code 80, TRANS (Transmission Controller)
81ECM / Transmission Control ModuleTransmission Hydraulic Oil Pressure Switch Short to Ground or Open (Open Circuit Error)Full repair manual for code 81, ECM / Transmission Control Module
81TMF (Transmission Management Function) Controller or PTO ControllerMFD Solenoid is failed Open or Short CircuitFull repair manual for code 81, TMF (Transmission Management Function) Controller or PTO Controller
81Tractor Multi-Function (TMF) Controller, FNR-PTO Controller, Transmission Control Module (TCM), or ECMAuto PTO switch is open / Valve spool cannot be returned to neutral / Transmission hydraulic oil pressure switch short to ground or openFull repair manual for code 81, Tractor Multi-Function (TMF) Controller, FNR-PTO Controller, Transmission Control Module (TCM), or ECM
81Transmission Controller (TRANS / TCU)The transmission clutches are slippingFull repair manual for code 81, Transmission Controller (TRANS / TCU)
82TMF (Transmission Management Function / Transmission Controller)Differential Lock Solenoid Open or Short CircuitFull repair manual for code 82, TMF (Transmission Management Function / Transmission Controller)
82Transmission ECMTRANSMISSION HYDRAULIC OIL PRESSURE SWITCH SHORT TO 5 OR 12 VOLTSFull repair manual for code 82, Transmission ECM
82Transmission ECM / Transmission Controller / Armrest Controller / EHR / Hydraulic Remote Valve Controller / TRANSMultiple Conditions: Transmission Pressure Switch Short, Differential Lock Solenoid Fault, Valve Spool Not In Neutral, or Creep Clutch UncalibratedFull repair manual for code 82, Transmission ECM / Transmission Controller / Armrest Controller / EHR / Hydraulic Remote Valve Controller / TRANS
82TRANS (Transmission Controller)Creep Clutch is not calibratedFull repair manual for code 82, TRANS (Transmission Controller)
83Main Electronic Control Unit (ECU), Transmission controller, or Auxiliary Remote Valve controllerChecksum error, Self diagnostic check of the systemFull repair manual for code 83, Main Electronic Control Unit (ECU), Transmission controller, or Auxiliary Remote Valve controller
83TMF (Tractor Multi-Function) ControllerBrake Lamp Relay Solenoid is failed Open or Short CircuitFull repair manual for code 83, TMF (Tractor Multi-Function) Controller
83Transmission Controller (TCU), Rear PTO Controller, or main digital instrument clusterChecksum error / Loss of communication with the engine controllerFull repair manual for code 83, Transmission Controller (TCU), Rear PTO Controller, or main digital instrument cluster
83Transmission Controller (TRANS) / Instrumentation module (INST2)Communications Lost with Engine ControllerFull repair manual for code 83, Transmission Controller (TRANS) / Instrumentation module (INST2)
86Instrumentation Controller (ICU)Wheel Slip Signal is failed in the Instrumentation ControllerFull repair manual for code 86, Instrumentation Controller (ICU)
87Instrumentation Controller (ICU)Ground Speed Signal is failed in the Instrumentation Controller.Full repair manual for code 87, Instrumentation Controller (ICU)
88TMF (Tractor Multi-Function) Controller / Armrest ControllerDifferential Lock Switch has failed in the Armrest ControllerFull repair manual for code 88, TMF (Tractor Multi-Function) Controller / Armrest Controller
89Armrest ControllerAux 1st remote valve FLOW potentiometer is failedFull repair manual for code 89, Armrest Controller
89Armrest ControllerDifferential Lock Switch is failed in the Armrest ControllerFull repair manual for code 89, Armrest Controller
90Armrest Controller (ARU)Differential Lock Switch is failed in the Armrest Controller.Full repair manual for code 90, Armrest Controller (ARU)
91-02 - VCMVCMThrottle Position Sensor (TPS) or Accelerator Pedal (AP) sensor erratic, intermittent, or incorrect data signalFull repair manual for code 91-02 - VCM, VCM
91-03 - VCMVCMFoot Pedal Position Sensor Signal Voltage HighFull repair manual for code 91-03 - VCM, VCM
91-04 - VCMVehicle Control Module (VCM) or Engine Control Module (ECM)Throttle Position Sensor 1 / Accelerator Pedal Position Sensor voltage below normalFull repair manual for code 91-04 - VCM, Vehicle Control Module (VCM) or Engine Control Module (ECM)
92Armrest Controller (ARM) / Transmission Management Function (TMF)MFD (Mechanical Front Drive) Switch has failed in the Armrest ControllerFull repair manual for code 92, Armrest Controller (ARM) / Transmission Management Function (TMF)
93TMF (Transmission Management Function / Transmission Controller)MFD Switch is failed in the Armrest ControllerFull repair manual for code 93, TMF (Transmission Management Function / Transmission Controller)
94TMF (Tractor Multi-Function) ControllerDifferential Lockout fault condition in software.Full repair manual for code 94, TMF (Tractor Multi-Function) Controller
95TMF (Tractor Management Function)The steering angle sensor is above the expected operating range.Full repair manual for code 95, TMF (Tractor Management Function)
96TMF (Tractor Multi-Function)The steering angle sensor is below the expected operating range.Full repair manual for code 96, TMF (Tractor Multi-Function)
98TMF (Tractor Multifunction Controller)Battery Voltage is too LowFull repair manual for code 98, TMF (Tractor Multifunction Controller)
99Armrest Controller (ARM / TMF)Aux 2nd remote valve FLOW potentiometer is failed.Full repair manual for code 99, Armrest Controller (ARM / TMF)