Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 50 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 3104 (DTC F445) - ECU | Engine Control Unit (ECU) A-095 | Fuel pressure relief valve is open. | Full repair manual for code 3104 (DTC F445) - ECU, Engine Control Unit (ECU) A-095 |
| 3105 (F-5571-14) - ECU | Engine Control Unit (ECU) | Fuel pressure relief valve is forced to open, perform pressure increase | Full repair manual for code 3105 (F-5571-14) - ECU, Engine Control Unit (ECU) |
| 3105 (DTC F245) - ECU | Engine ECU (ECU A-095) | Fuel pressure relief valve is forced to open, perform pressure increase. | Full repair manual for code 3105 (DTC F245) - ECU, Engine ECU (ECU A-095) |
| 3106 (DTC 1145) - ECU | ECU A-095 | Fuel pressure relief valve reached maximum allowed opening count | Full repair manual for code 3106 (DTC 1145) - ECU, ECU A-095 |
| 3106 (F-5571-15) - ECU | Engine Control Unit (ECU) | Fuel pressure relief valve reached maximum allowed opening count. | Full repair manual for code 3106 (F-5571-15) - ECU, Engine Control Unit (ECU) |
| 3106 | Engine Control Unit (ECU) | Rail Pressure Relief Valve - Did Not Open After Pressure Shock | Full repair manual for code 3106, Engine Control Unit (ECU) |
| 3106 | Engine Control Unit (ECU / ENG) | Rail Pressure Relief Valve - pressure relief valve reached maximum allowed opening count | Full repair manual for code 3106, Engine Control Unit (ECU / ENG) |
| 3107 | Engine Controller | Engine Controller High Pressure Pump Metering Unit Circuit - Short Circuit To Battery | Full repair manual for code 3107, Engine Controller |
| 3107 (F-5447-03) - ECU | Engine Control Unit (ECU) | Fuel metering unit is shorted to battery voltage at the low side | Full repair manual for code 3107 (F-5447-03) - ECU, Engine Control Unit (ECU) |
| 3107 (DTC 6655) - ECU | Engine Electronic Control Unit (ECU A-095) | Fuel metering unit is shorted to battery voltage at the low side. | Full repair manual for code 3107 (DTC 6655) - ECU, Engine Electronic Control Unit (ECU A-095) |
| 3108 (F-5447-04) - ECU | Engine Controller / Engine Control Unit (ECU / EDC) | Fuel metering unit is shorted to ground at the low side | Full repair manual for code 3108 (F-5447-04) - ECU, Engine Controller / Engine Control Unit (ECU / EDC) |
| 3108 | Engine Controller (Engine ECU / ECM) | Engine Controller High Pressure Pump Metering Unit Circuit - Short Circuit To Ground | Full repair manual for code 3108, Engine Controller (Engine ECU / ECM) |
| 3108 (DTC 7755) - ECU | Engine Control Unit (ECU) / A-095 | Fuel metering unit is shorted to ground at the low side | Full repair manual for code 3108 (DTC 7755) - ECU, Engine Control Unit (ECU) / A-095 |
| 3109 | VCM / EDC / ECU | Boost Pressure Sensor (downstream) CAN signal is invalid. | Full repair manual for code 3109, VCM / EDC / ECU |
| 3110 | ECU A-095 | Rail pressure sensor value is above maximum offset | Full repair manual for code 3110, ECU A-095 |
| 3110 | Engine Control Unit (ECU) / EDC | Rail pressure sensor monitoring - signal below range minimum | Full repair manual for code 3110, Engine Control Unit (ECU) / EDC |
| 3110 (DTC 1225) - ECU | Engine ECU | Rail pressure sensor value is above maximum offset | Full repair manual for code 3110 (DTC 1225) - ECU, Engine ECU |
| 3111 | Engine Control Module (ECM) / Electronic Diesel Control (EDC) | Rail pressure sensor monitoring - signal above range maximum | Full repair manual for code 3111, Engine Control Module (ECM) / Electronic Diesel Control (EDC) |
| 3111 (DTC 2325) - ECU | Engine Control Unit (ECU) | Rail pressure sensor value is below minimum offset | Full repair manual for code 3111 (DTC 2325) - ECU, Engine Control Unit (ECU) |
| 3111 | Engine Control Unit (ECU) / EDC | Rail pressure sensor value is below minimum offset | Full repair manual for code 3111, Engine Control Unit (ECU) / EDC |
| 3112 (DTC 1425) - ECU | Engine Control Unit (ECU) | Fuel rail pressure sensor voltage is higher than expected. | Full repair manual for code 3112 (DTC 1425) - ECU, Engine Control Unit (ECU) |
| 3112 (F-157-11) - ECU | Engine Control Unit (ECU A-095) | Fuel rail pressure sensor voltage is higher than expected. | Full repair manual for code 3112 (F-157-11) - ECU, Engine Control Unit (ECU A-095) |
| 3113 | Engine Control Module (ECM / EDC) | Main Relay 1 (High Pressure Pump - power supply to the fuel metering unit) - Short to Battery | Full repair manual for code 3113, Engine Control Module (ECM / EDC) |
| 3114 | Engine Control Module (ECM / EDC) | Main Relay 1 (High Pressure Pump - power supply to the fuel metering unit) Short to Ground | Full repair manual for code 3114, Engine Control Module (ECM / EDC) |
| 3115 | Engine Control Module (ECM) / Vehicle Control Module (VCM) | Boost Pressure Sensor (downstream) voltage is higher than expected. | Full repair manual for code 3115, Engine Control Module (ECM) / Vehicle Control Module (VCM) |
| 3116 | VCM (Vehicle Control Module) / Engine ECU | Boost Pressure Sensor (downstream) voltage is lower than expected | Full repair manual for code 3116, VCM (Vehicle Control Module) / Engine ECU |
| 3117 | Engine ECU | PTO Twist Sensor - Out of Range | Full repair manual for code 3117, Engine ECU |
| 3117 (517801.13) - DEC | Engine ECU (Engine Control Module) / DEC (Driveline/Engine Controller) | PTO Twist Sensor - Out of Range | Full repair manual for code 3117 (517801.13) - DEC, Engine ECU (Engine Control Module) / DEC (Driveline/Engine Controller) |
| 3118 (DTC E82D) - ECU | ECU A-095 | Internal 12V supply voltage is too high | Full repair manual for code 3118 (DTC E82D) - ECU, ECU A-095 |
| 3118 (F-1043-15) - ECU | Engine Control Module (ECM) / ECU A-095 | Internal 12V supply voltage is too high | Full repair manual for code 3118 (F-1043-15) - ECU, Engine Control Module (ECM) / ECU A-095 |
| 3118 | Engine Control Unit (ECU A-095) | Internal 12V supply voltage is too high | Full repair manual for code 3118, Engine Control Unit (ECU A-095) |
| 3119 | Engine Controller / Electronic Control Unit (ECU) A-095 | ECU internal 12V supply voltage is too low | Full repair manual for code 3119, Engine Controller / Electronic Control Unit (ECU) A-095 |
| 3119 (F-1043-17) - ECU | Engine Control Unit (ECU) / A-095 | Internal 12V supply voltage is too low | Full repair manual for code 3119 (F-1043-17) - ECU, Engine Control Unit (ECU) / A-095 |
| 3119 (DTC E92D) - ECU | Engine Control Unit (ECU) / Engine Control Module (ECM) | Internal 12V supply voltage is too low | Full repair manual for code 3119 (DTC E92D) - ECU, Engine Control Unit (ECU) / Engine Control Module (ECM) |
| 3120 (517959.03) - DEC | DEC | PTO twist sensor - not plausible | Full repair manual for code 3120 (517959.03) - DEC, DEC |
| 3120 - UCM | ECM / UCM | PTO Twist Sensor - Not Plausible | Full repair manual for code 3120 - UCM, ECM / UCM |
| 3120 | Engine Control Module (ECM) | PTO Twist Sensor - Not Plausible | Full repair manual for code 3120, Engine Control Module (ECM) |
| 3121 (517801.03) - DEC | Engine Controller (ECM) or Driveline Electronic Controller (DEC) | PTO Twist Sensor - Open Circuit | Full repair manual for code 3121 (517801.03) - DEC, Engine Controller (ECM) or Driveline Electronic Controller (DEC) |
| 3121 | Engine Controller (ENG) / Engine ECU | PTO Twist Sensor - Open Circuit | Full repair manual for code 3121, Engine Controller (ENG) / Engine ECU |
| 3121 - UCM | Engine Control Module (ECM / ENG) | PTO Twist Sensor - Open Circuit | Full repair manual for code 3121 - UCM, Engine Control Module (ECM / ENG) |
| 3122 - UCM | ECM / EDC or UCM | PTO Twist Sensor - Short circuit to Ground | Full repair manual for code 3122 - UCM, ECM / EDC or UCM |
| 3122 | Engine Controller (ECM / Engine ECU) | PTO Twist Sensor - Short circuit to Ground | Full repair manual for code 3122, Engine Controller (ECM / Engine ECU) |
| 3122 (517801.04) - DEC | Engine Control Module (ECM) | PTO Twist Sensor - Short circuit to Ground | Full repair manual for code 3122 (517801.04) - DEC, Engine Control Module (ECM) |
| 3123 | Engine Control Module (ECM / ENG) | PTO Twist Sensor - Not Calibrated | Full repair manual for code 3123, Engine Control Module (ECM / ENG) |
| 3123 - UCM | Engine Control Module (ECM/ENG) or Universal Control Module (UCM) | PTO Twist Sensor - Not Calibrated | Full repair manual for code 3123 - UCM, Engine Control Module (ECM/ENG) or Universal Control Module (UCM) |
| 3124 | Engine Controller (ENG) / Engine ECU | Hand Throttle - Channel 2 Signal Above Range Maximum | Full repair manual for code 3124, Engine Controller (ENG) / Engine ECU |
| 3125 | Engine Controller (ENG) / Engine ECU | Hand Throttle - Channel 2 Signal Below Range Minimum | Full repair manual for code 3125, Engine Controller (ENG) / Engine ECU |
| 3126 | Engine Control Unit (ECU) | Hand Throttle - Channel 1 Signal Above Range Max | Full repair manual for code 3126, Engine Control Unit (ECU) |
| 3127 | Engine Controller (ENG / EDC - Electronic Diesel Control) | Hand Throttle - Channel 1 Signal Below Range Min | Full repair manual for code 3127, Engine Controller (ENG / EDC - Electronic Diesel Control) |
| 3128 | Engine Controller (ENG / Engine ECU) | Hand Throttle - Channel Difference Error | Full repair manual for code 3128, Engine Controller (ENG / Engine ECU) |
