Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 66 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 3686 (F-4765-14) | Engine Control Module (ECM / Engine ECU) | DOC upstream temperature sensor signal drift at cold start. | Full repair manual for code 3686 (F-4765-14), Engine Control Module (ECM / Engine ECU) |
| 3687 (F-4766-02) | Engine Control Module (ECM / ECU) | SCR upstream temperature sensor signal drift at cold start | Full repair manual for code 3687 (F-4766-02), Engine Control Module (ECM / ECU) |
| 3687 (DTC 3E1C) - ECU | Engine Control Unit (ECU / ECM) | SCR upstream temperature sensor signal drift at cold start | Full repair manual for code 3687 (DTC 3E1C) - ECU, Engine Control Unit (ECU / ECM) |
| 3687 | Engine ECU / EDC (Electronic Diesel Control) | Exhaust temperature : Fault check for cold start condition of exhaust-gas temperature sensor 2. | Full repair manual for code 3687, Engine ECU / EDC (Electronic Diesel Control) |
| 3688 | ENGINE | Water sensor in the fuel filter: WIF Sensor Check is failed | Full repair manual for code 3688, ENGINE |
| 3688 (DTC 4F15) - ECU | Engine ECU | Water in fuel sensor or sensor circuit failure | Full repair manual for code 3688 (DTC 4F15) - ECU, Engine ECU |
| 3689 | Engine Controller | Communication Error Between Glow Plug Unit And Engine Controller (Wrong Data Transmission) | Full repair manual for code 3689, Engine Controller |
| 3690 | Engine ECU (Electronic Diesel Control / EDC) | DFC for glow module error in GCU-T | Full repair manual for code 3690, Engine ECU (Electronic Diesel Control / EDC) |
| 3691 | Engine Control Unit (ECU) | Glow Plug Circuit. - No Load Error For Low Voltage System | Full repair manual for code 3691, Engine Control Unit (ECU) |
| 3692 | Engine Control Unit (ECU) | Glow Plug Circuit Power Stage Overtemperature | Full repair manual for code 3692, Engine Control Unit (ECU) |
| 3693 | ECU | Glow Plug Circuit. - Short Circuit To Battery Error For Low Voltage System | Full repair manual for code 3693, ECU |
| 3694 | ENGINE module | Glow Plug Circuit. - Short Circuit To Ground Error For Low Voltage System. | Full repair manual for code 3694, ENGINE module |
| 3695 | Engine Control Unit (ECU) / Electronic Diesel Control (EDC) | Failure in glow plug cylinder 1 | Full repair manual for code 3695, Engine Control Unit (ECU) / Electronic Diesel Control (EDC) |
| 3695 | Engine Control Unit (ENGINE ECU) | Glow Plugs: Array of DFCs for Failure in Cylinder 1 Glow Plug | Full repair manual for code 3695, Engine Control Unit (ENGINE ECU) |
| 3696 | Engine Control Unit (ECU) | Glow Plugs: Array of DFCs for Failure in Cylinder 2 Glow Plug | Full repair manual for code 3696, Engine Control Unit (ECU) |
| 3696 | Engine Control Unit (ECU) / EDC | Failure in Cylinder 2 Glow Plug Circuit | Full repair manual for code 3696, Engine Control Unit (ECU) / EDC |
| 3697 | ENGINE Controller / EDC (Electronic Diesel Control) | Glow Plugs: Array of DFCs for Failure in Cylinder 3 Glow Plug | Full repair manual for code 3697, ENGINE Controller / EDC (Electronic Diesel Control) |
| 3697 | Engine Control Unit (ECU) | Failure in glow plug cylinder 3 | Full repair manual for code 3697, Engine Control Unit (ECU) |
| 3698 | Engine Control Unit (ECU) | Failure in the Cylinder 4 Glow Plug | Full repair manual for code 3698, Engine Control Unit (ECU) |
| 3698 | Engine Control Unit (ECU) / Electronic Diesel Control (EDC) | Glow Plugs: Array of DFCs for Failure in Cylinder 4 Glow Plug | Full repair manual for code 3698, Engine Control Unit (ECU) / Electronic Diesel Control (EDC) |
| 3699 (DTC E56D) - ECU | Engine Control Unit (ECU) | ECU EEPROM memory failure - EEPData1 block. | Full repair manual for code 3699 (DTC E56D) - ECU, Engine Control Unit (ECU) |
| 3699 | Engine Control Unit (ECU) / Electronic Diesel Control (EDC) | ECU EEPROM memory failure - EEPData1 block | Full repair manual for code 3699, Engine Control Unit (ECU) / Electronic Diesel Control (EDC) |
| 3699 | Engine Control Unit (ECU) / Electronic Diesel Control (EDC) | EEPROM: Error in EEPROM block EEPData1. SD correction cannot be calculated. | Full repair manual for code 3699, Engine Control Unit (ECU) / Electronic Diesel Control (EDC) |
| 3700 | Engine Control Unit (ECU) | Humidity Sensor : Plausibility check for the humidity sensor signal | Full repair manual for code 3700, Engine Control Unit (ECU) |
| 3700 (DTC 3754) - ECU | Engine Control Unit (ECU) | Intake air humidity sensor value is not plausible. | Full repair manual for code 3700 (DTC 3754) - ECU, Engine Control Unit (ECU) |
| 3701 | EDC | Not Used | Full repair manual for code 3701, EDC |
| 3702 | Engine Control Unit (ECU) / EDC (Electronic Diesel Control) | Injection control: Detection of failed engine start. | Full repair manual for code 3702, Engine Control Unit (ECU) / EDC (Electronic Diesel Control) |
| 3702 | ENGINE ECU (EDC - Electronic Diesel Control module) | Injection control: Detection of Failed Engine Start | Full repair manual for code 3702, ENGINE ECU (EDC - Electronic Diesel Control module) |
| 3703 (DTC 2B36) - ECU | Engine Control Unit (ECU) | The minimum rail pressure value necessary to allow fuel injection has not been reached. | Full repair manual for code 3703 (DTC 2B36) - ECU, Engine Control Unit (ECU) |
| 3703 | Engine Control Unit (EDC / Engine ECU) | Injection control: check of minimum rail pressure. | Full repair manual for code 3703, Engine Control Unit (EDC / Engine ECU) |
| 3703 | Engine ECU | Injection control: check of minimum rail pressure. | Full repair manual for code 3703, Engine ECU |
| 3704 | Engine Control Module (ECM) / EDC | Injector Adjustment programming: check of missing injector adjustment value programming | Full repair manual for code 3704, Engine Control Module (ECM) / EDC |
| 3705 | Engine ECU (EDC) | Injector Adjustment programming: check of missing injector adjustment value programming (Cyl. 3) | Full repair manual for code 3705, Engine ECU (EDC) |
| 3706 | Engine Control Unit (ECU) / Bosch EDC | Injector Adjustment programming: check of missing injector adjustment value programming (Cyl. 4) | Full repair manual for code 3706, Engine Control Unit (ECU) / Bosch EDC |
| 3707 | Engine Control Unit (ECU) | Lambda sensor: Open circuit at the lambda sensor Nernst cell pin. | Full repair manual for code 3707, Engine Control Unit (ECU) |
| 3707 | Engine Control Unit (ECU) / EDC | Lambda sensor: Open circuit at the lambda sensor Nernst cell pin | Full repair manual for code 3707, Engine Control Unit (ECU) / EDC |
| 3708 | Engine Control Module (ECM / ECU) | Lambda Sensor: Open circuit at the Lambda Sensor Pump Current Pin - IP (1 detection) | Full repair manual for code 3708, Engine Control Module (ECM / ECU) |
| 3708 | Engine Control Unit (ECU) / EDC | Lambda sensor: open circuit at the lambda sensor pump current pin - IP (lambda = 1 detection) | Full repair manual for code 3708, Engine Control Unit (ECU) / EDC |
| 3709 | ENGINE ECU | Lambda sensor: Open circuit at the lambda sensor Virtual ground pin. | Full repair manual for code 3709, ENGINE ECU |
| 3709 | Engine ECU (EDC) | Lambda Sensor: Open circuit at the Lambda Sensor Virtual Ground Pin | Full repair manual for code 3709, Engine ECU (EDC) |
| 3710 | ENGINE | Lambda Sensor: Fault to Indicate Dynamics of the Sensor Signal Too Small | Full repair manual for code 3710, ENGINE |
| 3710 | Engine Control Unit (ECU) / EDC (Electronic Diesel Control) | Lambda sensor: Fault to indicate Dynamics of the sensor signal too small | Full repair manual for code 3710, Engine Control Unit (ECU) / EDC (Electronic Diesel Control) |
| 3711 | ENGINE | Lambda Sensor: SCB Error of the LSU Heater Power stage | Full repair manual for code 3711, ENGINE |
| 3711 | Engine Control Unit (ECU) / EDC (Electronic Diesel Control) | Lambda sensor: SCB error of the LSU Heater Power stage | Full repair manual for code 3711, Engine Control Unit (ECU) / EDC (Electronic Diesel Control) |
| 3712 | ECU / EDC or ECM | Lambda sensor: SCG error of the LSU Heater Power stage (CNH/FPT) / Engine power derate due to DPF regeneration (Cummins) | Full repair manual for code 3712, ECU / EDC or ECM |
| 3712 | Engine | Lambda sensor: SCG error of the LSU Heater Power stage | Full repair manual for code 3712, Engine |
| 3713 | Engine Control Unit (ECU) / EDC | Lambda sensor: Open Load error of the LSU Heater Power stage | Full repair manual for code 3713, Engine Control Unit (ECU) / EDC |
| 3713 | ENGINE ECU | Lambda sensor: Open Load error of the LSU Heater Power stage | Full repair manual for code 3713, ENGINE ECU |
| 3714 | ECU / EDC / ECM | Lambda sensor SRC High error for O2 calibration OR Engine Protection Torque Derate | Full repair manual for code 3714, ECU / EDC / ECM |
| 3714 | ENGINE ECU (EDC - Electronic Diesel Control module) | Lambda sensor: Fault code to indicate SRC High error for O2 calibration | Full repair manual for code 3714, ENGINE ECU (EDC - Electronic Diesel Control module) |
