Case IH fault codes & repair guides

All 9,847 codes· 50 per page · page 70 of 197

Case IH fault codes with controller, issue summary and a link to the full repair manual
CodeControllerIssue summaryRepair manual
3795Engine Control Unit (ECU) / Electronic Diesel Control (EDC)Intake air pressure sensor : Plausibility Check for air pressure at the upstream of intake valve sensor.Full repair manual for code 3795, Engine Control Unit (ECU) / Electronic Diesel Control (EDC)
3795 (F-102-17)Engine Control Unit (ECU) / Engine Control Module (ECM)Intake Manifold Boost Pressure Value Illogical When Compared To Other Pressures In SystemFull repair manual for code 3795 (F-102-17), Engine Control Unit (ECU) / Engine Control Module (ECM)
3796Engine ECUDPF Differential Pressure Sensor - Hose Line Detached Or Blocked (Implausible Pressure Drop)Full repair manual for code 3796, Engine ECU
3797Engine Control Unit (ECU) / EDCDiesel Particulate filter Pressure sensor : SRC High for PFlt differential pressure sensorFull repair manual for code 3797, Engine Control Unit (ECU) / EDC
3797 (F-3251-03) - ECUENGINE ECUDiesel Particulate Filter (DPF) Pressure Sensor: SRC High for Particulate Filter Differential Pressure SensorFull repair manual for code 3797 (F-3251-03) - ECU, ENGINE ECU
3798 (F-3251-04) - ECUEngine Control Module (ECM) / EDC (Electronic Diesel Control)Differential pressure sensor: signal range check is too low.Full repair manual for code 3798 (F-3251-04) - ECU, Engine Control Module (ECM) / EDC (Electronic Diesel Control)
3798Engine Control Unit (ECU)Diesel Particulate filter Pressure sensor : SRC low for PFlt differential pressure sensorFull repair manual for code 3798, Engine Control Unit (ECU)
3799 (DTC F345) - ECUECUFuel pressure relief valve is forced to open, perform pressure shockFull repair manual for code 3799 (DTC F345) - ECU, ECU
3799 (F-5571-10) - ECUEngine Control Module (ECM / EDC)Fuel pressure relief valve is forced to open, perform pressure shockFull repair manual for code 3799 (F-5571-10) - ECU, Engine Control Module (ECM / EDC)
3799Engine Control Unit (ECU)Pressure Relief valve : pressure relief valve is forced to open, perform pressure shockFull repair manual for code 3799, Engine Control Unit (ECU)
3800Engine Control Unit (ECU)Pressure Relief Valve - Quantity Balance Check If A Successful PRV Opening Is Ensured.Full repair manual for code 3800, Engine Control Unit (ECU)
3801ENGINE ECUTurbine upstream pressure sensor: SRC High for Turbine upstream pressure sensor.Full repair manual for code 3801, ENGINE ECU
3802Engine ECU (EDC)Turbine upstream pressure sensor: SRC low for Turbine upstream pressure sensorFull repair manual for code 3802, Engine ECU (EDC)
3803Engine Control Unit (ECU)ECU internal failure - Error on R2S2 moduleFull repair manual for code 3803, Engine Control Unit (ECU)
3803Engine Control Unit (ECU) / Electronic Diesel Control (EDC)EDC - ECU internal: Error on R2S2 module (Low-Level Chip driver for the Power stage-Chips)Full repair manual for code 3803, Engine Control Unit (ECU) / Electronic Diesel Control (EDC)
3804Engine Control Unit (ECU)Fuel Metering Unit : Threshold of the battery under voltage for switching to start with MeUn procedureFull repair manual for code 3804, Engine Control Unit (ECU)
3805Engine Control Unit (ECU) / Electronic Diesel Control (EDC)Rail pressure sensor : maximum rail pressure exceeded.Full repair manual for code 3805, Engine Control Unit (ECU) / Electronic Diesel Control (EDC)
3805 (DTC 1D85) - ECUEngine ECUMaximum rail pressure exceededFull repair manual for code 3805 (DTC 1D85) - ECU, Engine ECU
3806Engine Control Unit (ECU) / Electronic Diesel Control (EDC)Rail system : Rail pressure reduction by blank shots during after run (BSA) aborted during post drive of ECUFull repair manual for code 3806, Engine Control Unit (ECU) / Electronic Diesel Control (EDC)
3807Engine ECUFuel Metering Unit : maximum negative rail pressure deviation with metering unit on lower limit is exceeded (second stage)Full repair manual for code 3807, Engine ECU
3808 (DTC 3C65) - ECUECUHigh pressure pump fuel delivery quantity at low idle is too highFull repair manual for code 3808 (DTC 3C65) - ECU, ECU
3808Engine Control Unit (ECU) / EDCHigh pressure pump fuel delivery quantity at low idle is too highFull repair manual for code 3808, Engine Control Unit (ECU) / EDC
3808 (F-1240-14) - ECUEngine Control Unit (ECU) / Electronic Diesel Control (EDC)High pressure pump fuel delivery quantity at low idle is too high.Full repair manual for code 3808 (F-1240-14) - ECU, Engine Control Unit (ECU) / Electronic Diesel Control (EDC)
3808ENGINE ECU (EDC - Electronic Diesel Control module)Fuel System: High Pressure Pump Fuel Quantity Not Plausible At Low IdleFull repair manual for code 3808, ENGINE ECU (EDC - Electronic Diesel Control module)
3809CNH EDCFuel Metering Unit : maximum rail pressure exceeded - overrun detectionFull repair manual for code 3809, CNH EDC
3810 (DTC 4125) - ECUEngine Control Module (ECM) / EDCFuel pressure Sensor: Rail pressure raw value is intermittent.Full repair manual for code 3810 (DTC 4125) - ECU, Engine Control Module (ECM) / EDC
3810 (F-157-02) - ECUEngine Control Module (ECM) / Engine ECURail pressure sensor value is intermittentFull repair manual for code 3810 (F-157-02) - ECU, Engine Control Module (ECM) / Engine ECU
3810Engine Control Unit (ECU)Fuel pressure Sensor: Rail pressure raw value is intermittent.Full repair manual for code 3810, Engine Control Unit (ECU)
3810Engine Control Unit (ECU) / EDCFuel pressure Sensor: Rail pressure raw value is intermittentFull repair manual for code 3810, Engine Control Unit (ECU) / EDC
3811Engine Control Unit (ECU)Engine Regulated 5 Volt Sensor Supply # 1 - Too HighFull repair manual for code 3811, Engine Control Unit (ECU)
3811 (F-3509-12) - ECUEngine Control Unit (ECU) / EDCECU 5 volt sensor supply 1 out of range failureFull repair manual for code 3811 (F-3509-12) - ECU, Engine Control Unit (ECU) / EDC
3812 (DTC 115D) - ECUEngine Control Unit (ECU)ECU temperature sensor 1 is too highFull repair manual for code 3812 (DTC 115D) - ECU, Engine Control Unit (ECU)
3812Engine Control Unit (ECU) / Electronic Diesel Control (EDC)EDC - Physical Range Check high for ECU temperature sensorFull repair manual for code 3812, Engine Control Unit (ECU) / Electronic Diesel Control (EDC)
3813 (DTC 235D) - ECUEngine Control Unit (ECU) / EDCECU temperature sensor 1 is too lowFull repair manual for code 3813 (DTC 235D) - ECU, Engine Control Unit (ECU) / EDC
3813Engine Control Unit (ECU) / Electronic Diesel Control (EDC)Physical Range Check low for ECU temperature sensorFull repair manual for code 3813, Engine Control Unit (ECU) / Electronic Diesel Control (EDC)
3813Engine Control Unit (ECU) / Planter Universal Control Module (UCM)Physical Range Check low for ECU temperature sensor (Engine) / Steering Solenoid 11 – Enable / Frame solenoid 7 device failure – coil open (Planter)Full repair manual for code 3813, Engine Control Unit (ECU) / Planter Universal Control Module (UCM)
3814Engine Control Unit (ECU)ECU temperature sensor: SPI Error ECU temperature sensor (LM71)Full repair manual for code 3814, Engine Control Unit (ECU)
3814Engine ECUECU temperature sensor: SPI Error ECU temperature sensor (LM71)Full repair manual for code 3814, Engine ECU
3815Engine Control Module (ECM) / EDC (Electronic Diesel Control)Low efficiency in DPF filterFull repair manual for code 3815, Engine Control Module (ECM) / EDC (Electronic Diesel Control)
3815Engine Control Unit (ECU) / EDC (Electronic Diesel Control)Diesel Particulate Filter (DPF): Low efficiency in DPF filter.Full repair manual for code 3815, Engine Control Unit (ECU) / EDC (Electronic Diesel Control)
3816ENGINE ECU (EDC)Permanent governor deviation for valveFull repair manual for code 3816, ENGINE ECU (EDC)
3817EDC (Electronic Diesel Control)Permanent governor deviation for valveFull repair manual for code 3817, EDC (Electronic Diesel Control)
3818Engine Control Unit (ECU)Throttle Valve Actuator (TVA) Circuit - Open Load Error For Power StageFull repair manual for code 3818, Engine Control Unit (ECU)
3819Engine Control Unit (Engine ECU / EDC)Throttle Valve Actuator (TVA) Circuit - Over Current Error For H-BridgeFull repair manual for code 3819, Engine Control Unit (Engine ECU / EDC)
3820Engine Control Unit (ECU) / Electronic Diesel Control (EDC)Throttle Valve Actuator (TVA) Circuit - Over Temperature Error For H-BridgeFull repair manual for code 3820, Engine Control Unit (ECU) / Electronic Diesel Control (EDC)
3821Engine Control Unit (ECU)Throttle Valve Actuator (TVA) Circuit - Short Circuit To Battery (A = 60pin Connector - Engine; A49) / Short circuit to battery on Out1 error for H-bridge.Full repair manual for code 3821, Engine Control Unit (ECU)
3821Engine Control Unit (ECU / EDC)Throttle Valve Actuator (TVA) Circuit - Short Circuit To Battery (A = 60pin Connector - Engine; A49)Full repair manual for code 3821, Engine Control Unit (ECU / EDC)
3822Engine Control Unit (ECU)Throttle Valve Actuator (TVA) Circuit - Short Circuit To Battery (A = 60pin Connector - Engine; A34) / Short circuit to battery on Out2 error for H-bridge.Full repair manual for code 3822, Engine Control Unit (ECU)
3822Engine Control Unit (ECU) / EDCThrottle Valve Actuator: Short circuit to battery on Out2 error for H-bridgeFull repair manual for code 3822, Engine Control Unit (ECU) / EDC
3823Engine Control Unit (ECU)Throttle Valve Actuator (TVA) Circuit - Short Circuit To GroundFull repair manual for code 3823, Engine Control Unit (ECU)