Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 69 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 3764 | Engine Controller | Engine Controller Main Relay Circuit (Terminal 30) - Early Opening Defect Of Main Relay | Full repair manual for code 3764, Engine Controller |
| 3764 | Engine Control Unit (ECU) | ECU after run power interruption | Full repair manual for code 3764, Engine Control Unit (ECU) |
| 3764 (DTC F561) - ECU | Engine ECU | ECU after run power interruption | Full repair manual for code 3764 (DTC F561) - ECU, Engine ECU |
| 3765 | Engine Control Unit (ECU) / EDC (Electronic Diesel Control) | Diesel Particulate filter Pressure sensor : Fault check for Hose line connection | Full repair manual for code 3765, Engine Control Unit (ECU) / EDC (Electronic Diesel Control) |
| 3766 (F-3251-02) - ECU | Engine Control Unit (ECU / EDC / ECM) | Diesel Particulate Filter (DPF) Pressure Sensor: Fault check for the pressure sensor plausibility. | Full repair manual for code 3766 (F-3251-02) - ECU, Engine Control Unit (ECU / EDC / ECM) |
| 3766 | Engine ECU | Diesel Particulate Filter (DPF) Pressure Sensor: Fault check for the pressure sensor plausibility | Full repair manual for code 3766, Engine ECU |
| 3767 | Engine Controller | Replace Engine Controller - Reporting 'Wda Active' Due To Errors In Query/Response Communication. Follow The Appropriate Service Tool Procedure To Restore Self Learning Parameters. | Full repair manual for code 3767, Engine Controller |
| 3767 (DTC E81D) - ECU | Engine Controller | ECU internal failure - 'WDA active' reported due to errors in query/response communication. | Full repair manual for code 3767 (DTC E81D) - ECU, Engine Controller |
| 3767 (F-1648-12) - ECU | Engine Control Unit (ECU) / Electronic Diesel Control (EDC) | ECU internal failure - 'WDA active' reported due to errors in query/response communication | Full repair manual for code 3767 (F-1648-12) - ECU, Engine Control Unit (ECU) / Electronic Diesel Control (EDC) |
| 3768 | Engine Controller | Replace Engine Controller - Reporting 'Abe Active' Due To Undervoltage Detection | Full repair manual for code 3768, Engine Controller |
| 3768 (DTC E91D) - ECU | Engine Control Unit (ECU) | ECU internal failure - 'ABE active' reported due to undervoltage detection | Full repair manual for code 3768 (DTC E91D) - ECU, Engine Control Unit (ECU) |
| 3769 | Engine Controller | Replace Engine Controller - Reporting 'Abe Active' Due To Overvoltage Detection. Follow The Appropriate Service Tool Procedure To Restore Self Learning Parameters. | Full repair manual for code 3769, Engine Controller |
| 3769 (F-1648-03) - ECU | Engine Controller | ECU internal failure - 'ABE active' reported due to overvoltage detection. | Full repair manual for code 3769 (F-1648-03) - ECU, Engine Controller |
| 3769 (DTC EA1D) - ECU | Engine Controller / Engine ECU (EDC) | ECU internal failure - 'ABE active' reported due to overvoltage detection | Full repair manual for code 3769 (DTC EA1D) - ECU, Engine Controller / Engine ECU (EDC) |
| 3770 | Engine Controller | Replace Engine Controller. Follow The Appropriate Service Tool Procedure To Restore Self Learning Parameters. | Full repair manual for code 3770, Engine Controller |
| 3770 | Engine Control Unit (ECU) | ECU internal: Diagnostic fault check to report 'WDA/ABE active' due to unknown reason | Full repair manual for code 3770, Engine Control Unit (ECU) |
| 3770 (DTC EB1D) - ECU | Engine Control Unit (ECU) / Electronic Diesel Control (EDC) | ECU internal failure - 'WDA/ABE active' reported due to unknown reason | Full repair manual for code 3770 (DTC EB1D) - ECU, Engine Control Unit (ECU) / Electronic Diesel Control (EDC) |
| 3771 | ECM | DOC Temperature Sensors Swapped | Full repair manual for code 3771, ECM |
| 3771 (F-4765-31) | Engine Control Module (ECM) / Engine ECU | Diesel Oxidation Catalyst Up and down stream temperature sensors are swapped | Full repair manual for code 3771 (F-4765-31), Engine Control Module (ECM) / Engine ECU |
| 3771 | Engine ECU | Oxidation Catalyst: Up and down stream temperature sensors in Oxidation catalysts exchanged | Full repair manual for code 3771, Engine ECU |
| 3772 | Engine Control Unit (ECU) | Turbocharger : Over boost deviation at P2 too high in Pressure charger regulator. | Full repair manual for code 3772, Engine Control Unit (ECU) |
| 3773 | Engine Control Unit (ECU) / Engine Controller | Boost Pressure Below The Target - Check Waste Gate, Turbocharger, Piping | Full repair manual for code 3773, Engine Control Unit (ECU) / Engine Controller |
| 3774 | Engine Control Unit (EDC / Engine ECU) | Diesel particulate filter (DPF) : Volume of Ash load has exceeded the limit. | Full repair manual for code 3774, Engine Control Unit (EDC / Engine ECU) |
| 3775 (F-3251-15) - ECU | ECU | Particulate filter differential pressure value is higher than expected (filter full and requires parked catalyst management). | Full repair manual for code 3775 (F-3251-15) - ECU, ECU |
| 3775 | Engine Control Unit (ECU) / EDC (Electronic Diesel Control) | Diesel particulate filter (DPF) : Monitoring of the characteristic pressure reduction of the particulate filter - max | Full repair manual for code 3775, Engine Control Unit (ECU) / EDC (Electronic Diesel Control) |
| 3776 | Engine Control Unit (ECU) / EDC | Diesel particulate filter (DPF) : Monitoring of the characteristic pressure reduction of the particulate filter - min | Full repair manual for code 3776, Engine Control Unit (ECU) / EDC |
| 3777 | CNH EDC | Clogged DPF filter | Full repair manual for code 3777, CNH EDC |
| 3778 | Engine Control Unit (ECU) / EDC (Electronic Diesel Control) | Diesel particulate filter (DPF) : Diagnostic fault check for min deviation measure from simulated and measured particulate mass. | Full repair manual for code 3778, Engine Control Unit (ECU) / EDC (Electronic Diesel Control) |
| 3779 | Engine Control Unit (ECU) / EDC (Electronic Diesel Control) | Diesel particulate filter (DPF) : Diagnostic fault check for particulate filter efficiency. | Full repair manual for code 3779, Engine Control Unit (ECU) / EDC (Electronic Diesel Control) |
| 3780 | Engine Control Module (ECM) | Engine Protection : Engine protection active due to particulate filter | Full repair manual for code 3780, Engine Control Module (ECM) |
| 3780 (F-519697-00) - ECU | Engine Control Unit (ECU) | Torque limitation due to high differential pressure on particulate filter | Full repair manual for code 3780 (F-519697-00) - ECU, Engine Control Unit (ECU) |
| 3781 | Engine Control Unit (ECU) / EDC (Electronic Diesel Control) | Diesel particulate filter (DPF) : DFC for Forced regeneration error. | Full repair manual for code 3781, Engine Control Unit (ECU) / EDC (Electronic Diesel Control) |
| 3782 | Engine Control Unit (ECU) / EDC (Electronic Diesel Control) | Diesel particulate filter (DPF) : Diagnostic fault check for too frequent regeneration of the particulate filter. | Full repair manual for code 3782, Engine Control Unit (ECU) / EDC (Electronic Diesel Control) |
| 3783 | Engine Control Unit (ECU) / EDC (Electronic Diesel Control) | Diesel particulate filter (DPF) : Fault path for maximum number of locked regenerations for HD | Full repair manual for code 3783, Engine Control Unit (ECU) / EDC (Electronic Diesel Control) |
| 3784 | Engine Control Unit (ECU) | Diesel particulate filter (DPF) : Fault path for maximum number of locked regenerations for HD | Full repair manual for code 3784, Engine Control Unit (ECU) |
| 3785 (F-3525-00) - ECU | Engine Control Unit (ECU) | Maximum Manual Catalyst Management time exceeded for multiple attempts | Full repair manual for code 3785 (F-3525-00) - ECU, Engine Control Unit (ECU) |
| 3785 | Engine Control Unit (ECU) / Electronic Diesel Control (EDC) | Diesel particulate filter (DPF) : Fault path for maximum number of locked regenerations. | Full repair manual for code 3785, Engine Control Unit (ECU) / Electronic Diesel Control (EDC) |
| 3786 | Engine Control Unit (ECU) | Diesel Particulate Filter (DPF): Signal range check flow resistance of the particulate filter - high | Full repair manual for code 3786, Engine Control Unit (ECU) |
| 3786 | Engine Control Unit (ECU) / Engine Controller | DPF Soot Load Overload. The Forced Regeneration Is Needed (Commanded Via Cluster Interface Or Service Tool). | Full repair manual for code 3786, Engine Control Unit (ECU) / Engine Controller |
| 3787 | Engine Control Module (ECM) / EDC | Diesel Particulate Filter (DPF): Signal range check flow resistance of the particulate filter - very high | Full repair manual for code 3787, Engine Control Module (ECM) / EDC |
| 3788 | Engine Control Module (ECM) / EDC | Diesel particulate filter (DPF) : Diagnostic fault check for incomplete regeneration of particulate filter | Full repair manual for code 3788, Engine Control Module (ECM) / EDC |
| 3789 | Engine Control Unit (ECU) / Engine Controller | Automatic Regeneration Too Long - Check Exhaust Line, Perform Manual Or Service Regeneration, Check Time Interval For DPF Service For Ashes (To Check If Regeneration Duration Exceeds Maximum Allowed Duration) | Full repair manual for code 3789, Engine Control Unit (ECU) / Engine Controller |
| 3790 | Engine Control Unit (ECU) | Diesel particulate filter (DPF) : Signal range check flow resistance of the particulate filter - max. | Full repair manual for code 3790, Engine Control Unit (ECU) |
| 3790 | Engine Control Unit (ECU) / EDC | Exhaust gas differential pressure or exhaust gas relative pressure plausibility | Full repair manual for code 3790, Engine Control Unit (ECU) / EDC |
| 3791 | Engine Control Unit (ECU) | Diesel Particulate Filter (DPF): Diagnostic fault check for SRC high in Flow Resistance. | Full repair manual for code 3791, Engine Control Unit (ECU) |
| 3791 | Engine Control Unit (ECU) / Electronic Diesel Control (EDC) | Diesel Particulate Filter (DPF): Diagnostic fault check for SRC high in Flow Resistance. | Full repair manual for code 3791, Engine Control Unit (ECU) / Electronic Diesel Control (EDC) |
| 3792 | Engine Control Unit (ECU) / EDC (Electronic Diesel Control) | Conditions non plausible for PFlt emergency regeneration inhibition | Full repair manual for code 3792, Engine Control Unit (ECU) / EDC (Electronic Diesel Control) |
| 3793 | Engine Control Module (ECM) / Electronic Diesel Control (EDC) | Diesel particulate filter (DPF) : Conditions non plausible for DPF emergency regeneration | Full repair manual for code 3793, Engine Control Module (ECM) / Electronic Diesel Control (EDC) |
| 3794 (F-102-15) | Engine Control Unit (ECU) A-028 | Boost pressure plausibility check detects that the boost pressure is higher than expected | Full repair manual for code 3794 (F-102-15), Engine Control Unit (ECU) A-028 |
| 3794 | Engine Control Unit (ECU) / EDC (Electronic Diesel Control) | Intake air pressure sensor: Plausibility Check for air pressure at the upstream of intake valve sensor | Full repair manual for code 3794, Engine Control Unit (ECU) / EDC (Electronic Diesel Control) |
