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Case IH fault codes & repair guides

All 9,847 codes· 50 per page · page 172 of 197

Case IH fault codes with controller, issue summary and a link to the full repair manual
CodeControllerIssue summaryRepair manual
F-3363-06 - ECUEngine Control Unit (ECU) or Dosing Control Unit (DCU) / SCR Control ModuleDEF/AdBlue tank heater ECU driver over temperature failureFull repair manual for code F-3363-06 - ECU, Engine Control Unit (ECU) or Dosing Control Unit (DCU) / SCR Control Module
F-3363-12 - ECUEEM (Electronic Engine Management)DEF/AdBlue Tank Temperature Sensor Plausibility Failure / Stuck in Range CheckFull repair manual for code F-3363-12 - ECU, EEM (Electronic Engine Management)
F-3363-31 - ECUEngine Control Unit (ECU)DEF tank heater coolant valve low side power stage over temperature / DEF tank heating valve - Valve stuck closedFull repair manual for code F-3363-31 - ECU, Engine Control Unit (ECU)
F34Transmission Control Module (Transmission ECU / PCU)Synchronizer Did Not Disengage After Start Up Power Up (Part Of Start Up Sequence)Full repair manual for code F34, Transmission Control Module (Transmission ECU / PCU)
F35Transmission Controller / Processor (TCU)Synchronizer Did Not Engage Previous Range After Error Code F20 Or F22Full repair manual for code F35, Transmission Controller / Processor (TCU)
F-3507-03 - ECUEngine Control Unit (ECU) or Dosing Control Unit (DCU / DeNOx Module)Supply UB3 short circuit to battery failureFull repair manual for code F-3507-03 - ECU, Engine Control Unit (ECU) or Dosing Control Unit (DCU / DeNOx Module)
F-3507-04 - ECUEngine Control Unit (ECU)Supply UB1 short circuit to ground failureFull repair manual for code F-3507-04 - ECU, Engine Control Unit (ECU)
F-3507-06 - ECUEngine Control Unit (ECU)ECU 12/24-volt actuator supply 2 (UB3 supply) short to ground failureFull repair manual for code F-3507-06 - ECU, Engine Control Unit (ECU)
F-3507-14 - ECUEngine Control Unit (ECU)Supply UB2 short to ground failureFull repair manual for code F-3507-14 - ECU, Engine Control Unit (ECU)
F-3508-14 - ECUEngine Control Unit (ECU)Supply UB1 short circuit to battery failureFull repair manual for code F-3508-14 - ECU, Engine Control Unit (ECU)
F-3508-31 - ECUEngine Control Unit (ECU)Supply UB2 short circuit to battery failureFull repair manual for code F-3508-31 - ECU, Engine Control Unit (ECU)
F-3509-0 - CGREngine Control Unit (ECU)Receiver Supply VoltageFull repair manual for code F-3509-0 - CGR, Engine Control Unit (ECU)
F-3509-02 - ECUEngine Control Unit (ECU)ECU internal: Error Sensor supplies Voltage TrackerFull repair manual for code F-3509-02 - ECU, Engine Control Unit (ECU)
F-3509-1 - CGRCGRCGR: Receiver Supply VoltageFull repair manual for code F-3509-1 - CGR, CGR
F-3509-12 - ECUEngine Control Module (ECM / ECU)ECU Power Stage 1: Error Sensor supply for sensors / ECU 5 volt sensor supply 1 out of range failureFull repair manual for code F-3509-12 - ECU, Engine Control Module (ECM / ECU)
F-3509-16 - CGRCGRReceiver Supply VoltageFull repair manual for code F-3509-16 - CGR, CGR
F-3509-3 - CGRCGRSensor Supply 1 Circuit - Voltage Above Normal, or Shorted to High SourceFull repair manual for code F-3509-3 - CGR, CGR
F-3509-4 - CGRCGRSensor Supply Voltage 1: Voltage Below NormalFull repair manual for code F-3509-4 - CGR, CGR
F-3510-12 - ECUEngine Control Unit (ECU) / Engine Control Module (ECM)ECU 5 volt sensor supply 2 out of range failure (ECU Power Stage 2: Error Sensor supply for sensors)Full repair manual for code F-3510-12 - ECU, Engine Control Unit (ECU) / Engine Control Module (ECM)
F-3511-12 - ECUEngine Control Unit (ECU / ECM)ECU 5 volt sensor supply 3 out of range failureFull repair manual for code F-3511-12 - ECU, Engine Control Unit (ECU / ECM)
F-3515-31Engine Control Module (ECM) or Aftertreatment Control Module (ACM) / Denox ModuleDEF/AdBlue quality sensor temperature failure (Different from DEF/AdBlue level temperature)Full repair manual for code F-3515-31, Engine Control Module (ECM) or Aftertreatment Control Module (ACM) / Denox Module
F-3516-31 - ECUEngine Control Unit (ECU)DEF/AdBlue concentration is out of rangeFull repair manual for code F-3516-31 - ECU, Engine Control Unit (ECU)
F-3521-09 - ECUEngine Control Unit (ECU) or Aftertreatment Control Module (ACM) / Dosing Control Unit (DCU)CAN timeout error from DEF/AdBlue quality sensorFull repair manual for code F-3521-09 - ECU, Engine Control Unit (ECU) or Aftertreatment Control Module (ACM) / Dosing Control Unit (DCU)
F-3521-31 - ECUEngine Control Unit (ECU) / Engine Control Module (ECM)DEF/AdBlue Quality Sensor Detects Critical Non-Conforming FluidFull repair manual for code F-3521-31 - ECU, Engine Control Unit (ECU) / Engine Control Module (ECM)
F-354-01 - ECUEngine Control Unit (ECU)Intake air humidity sensor voltage is lower than expected.Full repair manual for code F-354-01 - ECU, Engine Control Unit (ECU)
F-354-31 - ECUEngine Control Unit (ECU)Intake air humidity sensor voltage is higher than expectedFull repair manual for code F-354-31 - ECU, Engine Control Unit (ECU)
F-3597-03 - ECUEngine Control Unit (ECU)ECU 5 volt supply voltage is higher than expectedFull repair manual for code F-3597-03 - ECU, Engine Control Unit (ECU)
F-3597-04 - ECUEngine Control Unit (ECU) / Engine Control Module (ECM)ECU Power Output Supply Voltage #1 - Voltage Below Normal, Or Shorted To Low SourceFull repair manual for code F-3597-04 - ECU, Engine Control Unit (ECU) / Engine Control Module (ECM)
F36Transmission Controller (TCU) / Transmission Control ModuleSynchronizer Disengaged Without Driver InitiationFull repair manual for code F36, Transmission Controller (TCU) / Transmission Control Module
F-3607-14 - ECUEngine Control Unit (ECU)ECU internal failure - Engine speed limitation via fuel injection cut off is active.Full repair manual for code F-3607-14 - ECU, Engine Control Unit (ECU)
F37Transmission ControllerClutch Disconnect Switch Open CircuitFull repair manual for code F37, Transmission Controller
F38Transmission Control Unit (TCU) / CFPSDisabled Range Selected By The OperatorFull repair manual for code F38, Transmission Control Unit (TCU) / CFPS
F40Transmission Control Unit (TCU) / CCU (Chassis Control Unit)Medium/Reverse Range Synchronizer Potentiometer Over VoltageFull repair manual for code F40, Transmission Control Unit (TCU) / CCU (Chassis Control Unit)
F-4076-00 - ECUEngine Control Unit (ECU)Engine coolant temperature sensor voltage is higher than expected (Signal Above Range Max)Full repair manual for code F-4076-00 - ECU, Engine Control Unit (ECU)
F-4076-01 - ECUEngine Control Unit (ECU)Engine Coolant Temperature (ECT) sensor voltage is lower than expectedFull repair manual for code F-4076-01 - ECU, Engine Control Unit (ECU)
F41Transmission Control Unit (TCU) / Drivetrain Control Unit (DCU)Medium/Reverse Range Synchronizer Potentiometer Under VoltageFull repair manual for code F41, Transmission Control Unit (TCU) / Drivetrain Control Unit (DCU)
F42Transmission Controller (TCU / Transmission ECU)Low/High Range Synchronizer Potentiometer Over VoltageFull repair manual for code F42, Transmission Controller (TCU / Transmission ECU)
F-4207-09 - ECUEngine Control Unit (ECU)CAN communication failure between vehicle controller and ECU controller - TSC1_VE messageFull repair manual for code F-4207-09 - ECU, Engine Control Unit (ECU)
F-4207-31 - ECUEngine Control Unit (ECU)CAN communication failure between vehicle controller and ECU controller - TSC1_VE messageFull repair manual for code F-4207-31 - ECU, Engine Control Unit (ECU)
F-4225-16 - ECUEngine Control Unit (ECU) / Engine Control Module (ECM)SCR catalyst efficiency lower than first NOx production threshold levelFull repair manual for code F-4225-16 - ECU, Engine Control Unit (ECU) / Engine Control Module (ECM)
F43Transmission ControllerLow/High Range Synchronizer Potentiometer Under VoltageFull repair manual for code F43, Transmission Controller
F-4334-00 - ECUDCUDEF Pump Pressure Sensor Voltage HighFull repair manual for code F-4334-00 - ECU, DCU
F-4334-01 - ECUEngine Control Module (ECM)DEF / AdBlue Pressure Sensor Voltage Below NormalFull repair manual for code F-4334-01 - ECU, Engine Control Module (ECM)
F-4334-10 - ECUEngine Control Unit (ECU)DEF/AdBlue pressure stabilization failureFull repair manual for code F-4334-10 - ECU, Engine Control Unit (ECU)
F-4334-12 - ECUEngine Control Unit (ECU)DEF/AdBlue pressure did not drop when system was evacuatedFull repair manual for code F-4334-12 - ECU, Engine Control Unit (ECU)
F-4334-15 - ECUEngine Control Unit (ECU)DEF/AdBlue over pressure failureFull repair manual for code F-4334-15 - ECU, Engine Control Unit (ECU)
F-4334-16 - ECUEngine Control Unit (ECU)Supply module pressure during dosing above threshold / High DEF dosing pressure errorFull repair manual for code F-4334-16 - ECU, Engine Control Unit (ECU)
F-4334-17 - ECUEngine Control Unit (EDC / Engine ECU) or Denox Module (Denoxtronic ECU)DEF/AdBlue under pressure failureFull repair manual for code F-4334-17 - ECU, Engine Control Unit (EDC / Engine ECU) or Denox Module (Denoxtronic ECU)
F-4354-14 - ECUECU or BCUDEF/AdBlue pressure line heater failure and DEF/AdBlue tank temperature is too lowFull repair manual for code F-4354-14 - ECU, ECU or BCU
F-4360-00 - ECUECUUpstream SCR catalyst temperature sensor voltage is higher than expectedFull repair manual for code F-4360-00 - ECU, ECU