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Case IH fault codes & repair guides

All 9,847 codes· 50 per page · page 137 of 197

Case IH fault codes with controller, issue summary and a link to the full repair manual
CodeControllerIssue summaryRepair manual
19822DCU (Dosing Control Unit)UDV valve stuck position unknown errorFull repair manual for code 19822, DCU (Dosing Control Unit)
19823Engine Control Unit (ECU)Intake manifold temperature is too high.Full repair manual for code 19823, Engine Control Unit (ECU)
19824Engine Control Module (ECM)Intake manifold temperature is too lowFull repair manual for code 19824, Engine Control Module (ECM)
19825Engine Control Module (ECM / Engine ECU)Downstream oxidation catalyst temperature is too high.Full repair manual for code 19825, Engine Control Module (ECM / Engine ECU)
19826 (F-4766-03)Engine Control Module (ECM / ECU)Downstream oxidation catalyst temperature sensor voltage is higher than expected.Full repair manual for code 19826 (F-4766-03), Engine Control Module (ECM / ECU)
19826Engine Control Module (ECM) or Aftertreatment Control Module (ACM)Downstream oxidation catalyst temperature sensor voltage is higher than expectedFull repair manual for code 19826, Engine Control Module (ECM) or Aftertreatment Control Module (ACM)
19827Engine Control Module (ECM) / Vehicle Control Module (VCM)Upstream oxidation catalyst temperature is too highFull repair manual for code 19827, Engine Control Module (ECM) / Vehicle Control Module (VCM)
19828Engine Control Unit (ECU)Upstream oxidation catalyst temperature is too lowFull repair manual for code 19828, Engine Control Unit (ECU)
19829VCM (Vehicle Control Module) / Engine ECUUpper SRC limit for the current through the turbo charger actuatorFull repair manual for code 19829, VCM (Vehicle Control Module) / Engine ECU
19830Engine Control Module (ECM) or Vehicle Control Module (VCM)Lower SRC limit for the current through the turbo charger actuatorFull repair manual for code 19830, Engine Control Module (ECM) or Vehicle Control Module (VCM)
19831 (DTC 1938)ECU or VCMTurbo over speed failure under high ambient pressure conditions.Full repair manual for code 19831 (DTC 1938), ECU or VCM
19831Engine Control Unit (ECU)Turbo over speed failure under high ambient pressure conditionsFull repair manual for code 19831, Engine Control Unit (ECU)
19835ECM or VCMOpen load temperature error on the Turbocharger PWM output powerstageFull repair manual for code 19835, ECM or VCM
19836Engine Control Unit (ECU / EDC)ECU Power stages: Over temperature error on the Turbocharger PWM output power stage.Full repair manual for code 19836, Engine Control Unit (ECU / EDC)
19837Engine Control Module (ECM / ECU)SCB error on the Turbocharger PWM output powerstage.Full repair manual for code 19837, Engine Control Module (ECM / ECU)
19838Engine Control Module (ECM / ECU)SCG error on the Turbocharger PWM output powerstageFull repair manual for code 19838, Engine Control Module (ECM / ECU)
19839Engine Control Module (ECM)Turbo charger actuator position sensor voltage is higher than expectedFull repair manual for code 19839, Engine Control Module (ECM)
19840Engine Control Module (ECM) / Engine ECUTurbo charger actuator position sensor voltage is lower than expectedFull repair manual for code 19840, Engine Control Module (ECM) / Engine ECU
19841Engine Control Module (ECM)CAN timeout error for TSC1 for ABS/ASR torque and/or speed request to ECMFull repair manual for code 19841, Engine Control Module (ECM)
19842Engine Control Unit (ECU)CAN timeout error for TSC1 of DriveLine Retarder torque and/or speed request to ECUFull repair manual for code 19842, Engine Control Unit (ECU)
19843Engine Control Unit (ECU / ECM)CAN timeout error for TSC1 of GearBox/Vehicle management torque and/or speed request to ECUFull repair manual for code 19843, Engine Control Unit (ECU / ECM)
19844Engine Control Module (ECM)CAN timeout error for TSC1 Body computer/Vehicle management (Torque request to Retarder - ECM makes retarder function)Full repair manual for code 19844, Engine Control Module (ECM)
19845Engine Control Unit (ECU)CAN timeout error for TSC1 AD management (Torque request to Retarder - ECU makes retarder function)Full repair manual for code 19845, Engine Control Unit (ECU)
19846Engine Control Module (ECM)CAN timeout error for TSC1 for active cruise control management (Torque request to Retarder - ECM makes retarder function)Full repair manual for code 19846, Engine Control Module (ECM)
19847Engine Control Module (ECM / ECU)CAN timeout error for TSC1 PTO/Vehicle management torque and/or speed request to ECUFull repair manual for code 19847, Engine Control Module (ECM / ECU)
19848Engine Control Module (ECM / ECU)CAN timeout error for TSC1 of Gearbox/Vehicle management torque and/or speed request to ECMFull repair manual for code 19848, Engine Control Module (ECM / ECU)
19849ECMTSC1 CAN Timeout to ECMFull repair manual for code 19849, ECM
19850Engine Control Module (ECM)CAN timeout error for TSC1 of AD management torque and/or speed request to ECUFull repair manual for code 19850, Engine Control Module (ECM)
19851Engine Control Unit (ECU) or Vehicle Control Module (VCM)CAN timeout error for TSC1 for active cruise control management torque and/or speed request to ECUFull repair manual for code 19851, Engine Control Unit (ECU) or Vehicle Control Module (VCM)
19852Engine Control Module (ECM / ECU)CAN timeout error for TSC1 for ABS/ASR (Torque request to Retarder - ECM makes retarder function)Full repair manual for code 19852, Engine Control Module (ECM / ECU)
19853Engine Control Module (ECM / ECU)CAN timeout error for TSC1 of Driveline Retarder (Torque request to Retarder - ECM makes retarder function)Full repair manual for code 19853, Engine Control Module (ECM / ECU)
19854Engine Control Module (ECM / ECU)CAN timeout error for TSC1 of PTO/Vehicle management (Torque request to Retarder - ECM makes retarder function)Full repair manual for code 19854, Engine Control Module (ECM / ECU)
19855Engine Control Unit (ECU)Plausibility failure for turbine upstream temperature sensor.Full repair manual for code 19855, Engine Control Unit (ECU)
19856Engine Control Unit (ECU)Physical Range Check high for turbine upstream temperature sensorFull repair manual for code 19856, Engine Control Unit (ECU)
19857Engine Control Unit (ECU)Physical Range Check low for turbine upstream temperature sensorFull repair manual for code 19857, Engine Control Unit (ECU)
19858Engine Control Module (ECM) / EDCSRC High for turbine upstream temperature sensorFull repair manual for code 19858, Engine Control Module (ECM) / EDC
19859Engine Control Unit (ECU / ECM) / EDCSRC low for turbine upstream temperature sensorFull repair manual for code 19859, Engine Control Unit (ECU / ECM) / EDC
19860Engine Control Unit (ECU)Signal error for CAN message downstream temperature sensorFull repair manual for code 19860, Engine Control Unit (ECU)
19861Engine Control Unit (ECU) or Dosing Control Unit (DCU) / Heater Control Unit (HCU)Signal error for CAN message for upstream temperature sensorFull repair manual for code 19861, Engine Control Unit (ECU) or Dosing Control Unit (DCU) / Heater Control Unit (HCU)
19862 (F-4355-31) - ECUHeater Control Unit (HCU)Power stage error in HCU for DEF/AdBlue Back flow line HeaterFull repair manual for code 19862 (F-4355-31) - ECU, Heater Control Unit (HCU)
19863HCUPRC high for DEF/AdBlue Backflow Line Heater (via HCU)Full repair manual for code 19863, HCU
19864HCU (Heater Control Unit) or DCU (Dosing Control Unit)PRC low for DEF/AdBlue Backflow Line Heater (via HCU)Full repair manual for code 19864, HCU (Heater Control Unit) or DCU (Dosing Control Unit)
19865Engine Control Unit (ECU) or Dosing Control Unit (DCU) / Heater Control Unit (HCU)Short Circuit to Battery of DEF/AdBlue Backflow Line Heater Actuator powerstageFull repair manual for code 19865, Engine Control Unit (ECU) or Dosing Control Unit (DCU) / Heater Control Unit (HCU)
19866DCU (Dosing Control Unit) or HCU (Heater Control Unit)Short Circuit to Ground of DEF/AdBlue Backflow Line Heater Actuator powerstageFull repair manual for code 19866, DCU (Dosing Control Unit) or HCU (Heater Control Unit)
19867HCUPRC high for Voltage at DEF/AdBlue Backflow Line Heater (via HCU)Full repair manual for code 19867, HCU
19868HCU (Heater Control Unit) or DCU (Dosing Control Unit)PRC low for Voltage at DEF/AdBlue Backflow Line Heater (via HCU)Full repair manual for code 19868, HCU (Heater Control Unit) or DCU (Dosing Control Unit)
19869Engine Control Unit (ECU) or Heater Control Unit (HCU) / Dosing Control Unit (DCU)Over Temperature error of DEF/AdBlue Pressure Line Heater Actuator powerstageFull repair manual for code 19869, Engine Control Unit (ECU) or Heater Control Unit (HCU) / Dosing Control Unit (DCU)
19870Engine Control Unit (ECU) or Dosing Control Unit (DCU)Short Circuit to Ground of DEF/AdBlue Pressure Line Heater Actuator powerstageFull repair manual for code 19870, Engine Control Unit (ECU) or Dosing Control Unit (DCU)
19870 (F-4354-04) - ECUHeater Control Unit (HCU)Short Circuit to Ground of DEF/AdBlue Pressure Line Heater Actuator powerstageFull repair manual for code 19870 (F-4354-04) - ECU, Heater Control Unit (HCU)
19871Engine Control Unit (ECU) or Aftertreatment Control Module (ACM)Over Temperature of DEF/AdBlue Suction Line Heater Actuator powerstageFull repair manual for code 19871, Engine Control Unit (ECU) or Aftertreatment Control Module (ACM)