Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 170 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| F-157-20 - ECU | Engine Control Unit (ECU) | Rail pressure sensor value is above maximum offset | Full repair manual for code F-157-20 - ECU, Engine Control Unit (ECU) |
| F-157-21 - ECU | Engine Control Unit (ECU) / EEM4 Motor Controller | Rail pressure sensor value is below minimum offset | Full repair manual for code F-157-21 - ECU, Engine Control Unit (ECU) / EEM4 Motor Controller |
| F-1632-14 - ECU | Engine Control Module (ECM / Engine ECU) | Torque limitation caused by turbo charger protection | Full repair manual for code F-1632-14 - ECU, Engine Control Module (ECM / Engine ECU) |
| F-1632-31 - ECU | Engine Control Unit (ECU) | Torque limitation due to turbocharger protection after start | Full repair manual for code F-1632-31 - ECU, Engine Control Unit (ECU) |
| F-1648-03 - ECU | Engine Control Unit (ECU) / Electronic Diesel Control (EDC) | ECU internal failure - 'ABE active' reported due to overvoltage detection | Full repair manual for code F-1648-03 - ECU, Engine Control Unit (ECU) / Electronic Diesel Control (EDC) |
| F-1648-12 - ECU | Engine Control Module (ECM) | ECU internal failure - 'WDA active' reported due to errors in query/response communication | Full repair manual for code F-1648-12 - ECU, Engine Control Module (ECM) |
| F-1648-4 | Engine Controller | ECU internal failure - 'ABE active' reported due to undervoltage detection | Full repair manual for code F-1648-4, Engine Controller |
| F-1675-31 - ECU | ECU | Engine cranked for too long or key switch failure | Full repair manual for code F-1675-31 - ECU, ECU |
| F-168-00 - ECU | Engine Control Module (ECM) or Electronic Control Unit (ECU) | Electrical System Voltage : High | Full repair manual for code F-168-00 - ECU, Engine Control Module (ECM) or Electronic Control Unit (ECU) |
| F-168-01 - ECU | Engine Control Unit (ECU) | Electrical System Voltage : Low | Full repair manual for code F-168-01 - ECU, Engine Control Unit (ECU) |
| F-168-16 - ECU | ECU | Battery voltage is higher than expected | Full repair manual for code F-168-16 - ECU, ECU |
| F-168-18 - ECU | Engine Control Unit (ECU) | Battery voltage is lower than expected | Full repair manual for code F-168-18 - ECU, Engine Control Unit (ECU) |
| F-171-00 - ECU | ECU / DCU | Ambient temperature sensor voltage is higher than expected | Full repair manual for code F-171-00 - ECU, ECU / DCU |
| F-171-01 - ECU | Engine Control Unit (ECU) | Ambient temperature sensor voltage is lower than expected | Full repair manual for code F-171-01 - ECU, Engine Control Unit (ECU) |
| F-171-02 - ECU | Engine Control Unit (ECU) | Plausibility check error of the third fresh air temperature sensor at cold start | Full repair manual for code F-171-02 - ECU, Engine Control Unit (ECU) |
| F-172-02 - ECU | Engine Control Unit (ECU) | Plausibility check error of the humidity sensor air temperature sensor at cold start only. | Full repair manual for code F-172-02 - ECU, Engine Control Unit (ECU) |
| F-172-14 - ECU | Engine Control Unit (ECU A-028) | Plausibility check error of the intake manifold air temperature sensor at cold start. | Full repair manual for code F-172-14 - ECU, Engine Control Unit (ECU A-028) |
| F-173-31 - ECU | Engine Control Unit (ECU) | Engine Exhaust Gas Temperature (EGT) - Condition Exists | Full repair manual for code F-173-31 - ECU, Engine Control Unit (ECU) |
| F-174-00 - ECU | Engine Control Unit (ECU) | Fuel temperature sensor voltage is higher than expected. | Full repair manual for code F-174-00 - ECU, Engine Control Unit (ECU) |
| F-174-01 - ECU | Engine Control Unit (ECU) | Fuel temperature sensor voltage is lower than expected | Full repair manual for code F-174-01 - ECU, Engine Control Unit (ECU) |
| F-174-20 - ECU | Engine Control Unit (ECU) | Fuel Temperature is too high | Full repair manual for code F-174-20 - ECU, Engine Control Unit (ECU) |
| F-174-31 - ECU | Engine Control Unit (ECU) / Engine Control Module (ECM) | Torque limitation due to excessive fuel temperature | Full repair manual for code F-174-31 - ECU, Engine Control Unit (ECU) / Engine Control Module (ECM) |
| F-175-00 - ECU | Engine Control Unit (ECU) | Oil temperature sensor voltage is higher than expected. | Full repair manual for code F-175-00 - ECU, Engine Control Unit (ECU) |
| F-175-01 - ECU | ECU | Oil temperature sensor voltage is lower than expected | Full repair manual for code F-175-01 - ECU, ECU |
| F-175-15 - ECU | Engine Control Unit (ECU) | Engine Oil Temperature 1 - Data Valid But Above Normal Operating Range - Least Severe Level | Full repair manual for code F-175-15 - ECU, Engine Control Unit (ECU) |
| F-175-20 - ECU | Engine Control Unit (ECU) | Engine Oil Temperature Sensor Signal Not Plausible | Full repair manual for code F-175-20 - ECU, Engine Control Unit (ECU) |
| F-175-21 - ECU | Engine Control Unit (ECU) | Oil temperature too low | Full repair manual for code F-175-21 - ECU, Engine Control Unit (ECU) |
| F-175-31 - ECU | ECU | Torque limitation due to excessive oil temperature | Full repair manual for code F-175-31 - ECU, ECU |
| F-1761-11 - ECU | Engine Control Unit (ECU) | DEF/AdBlue level too low warning is active - Stage 2 | Full repair manual for code F-1761-11 - ECU, Engine Control Unit (ECU) |
| F-1761-16 - ECU | Engine Control Unit (ECU) | DEF/AdBlue tank level sensor voltage too high | Full repair manual for code F-1761-16 - ECU, Engine Control Unit (ECU) |
| F-1761-17 - ECU | Engine Control Unit (ECU) | DEF/AdBlue level too low warning is active - Stage 1 | Full repair manual for code F-1761-17 - ECU, Engine Control Unit (ECU) |
| F-1761-18 - ECU | Engine Control Unit (ECU) | DEF tank LEVEL LOW | Full repair manual for code F-1761-18 - ECU, Engine Control Unit (ECU) |
| F-1761-31 - ECU | Engine Control Unit (ECU) | Remaining DEF/AdBlue is below the empty threshold. | Full repair manual for code F-1761-31 - ECU, Engine Control Unit (ECU) |
| F19 | Transmission Controller | 19th Gear Clutch Solenoid Open Circuit Or Short To Ground | Full repair manual for code F19, Transmission Controller |
| F-190-00 - ECU | Engine Control Unit (ECU) | Engine over speed condition detected | Full repair manual for code F-190-00 - ECU, Engine Control Unit (ECU) |
| F1A | Transmission Controller (Transmission/EDC) | Clutch A Solenoid Open Circuit Or Short To Ground | Full repair manual for code F1A, Transmission Controller (Transmission/EDC) |
| F1B | Transmission Controller (Transmission/EDC) | Clutch B Solenoid Open Circuit Or Short To Ground | Full repair manual for code F1B, Transmission Controller (Transmission/EDC) |
| F1C | Transmission Control Unit (TCU) | Clutch C Solenoid Open Circuit Or Short To Ground | Full repair manual for code F1C, Transmission Control Unit (TCU) |
| F1D | Transmission Controller (TCU) | Clutch D Solenoid Open Circuit Or Short To Ground | Full repair manual for code F1D, Transmission Controller (TCU) |
| F1E | Transmission Controller / Processor Module | Clutch E Solenoid Open Circuit Or Short To Ground | Full repair manual for code F1E, Transmission Controller / Processor Module |
| F1F | Transmission Controller | Configuration error (download the latest software) | Full repair manual for code F1F, Transmission Controller |
| F1H | Transmission Controller (TRANS) / Universal Control Module (UCM) | High Range Solenoid Open Circuit Or Short To Ground | Full repair manual for code F1H, Transmission Controller (TRANS) / Universal Control Module (UCM) |
| F1L | Transmission Controller (TCU / Trans) | Low Range Solenoid Open Circuit Or Short To Ground | Full repair manual for code F1L, Transmission Controller (TCU / Trans) |
| F1P | Transmission Controller | Reverse Range Solenoid Open Circuit Or Short To Ground | Full repair manual for code F1P, Transmission Controller |
| F1U | Transmission Controller (Transmission/EDC) | Medium Range Solenoid Open Circuit Or Short To Ground | Full repair manual for code F1U, Transmission Controller (Transmission/EDC) |
| F20 | Transmission Control Unit (TCU) / Central Control Unit (CCU) | Range Shift Synchronizer Did Not Engage / 19th Gear Clutch Dump Solenoid Open Circuit Or Short To Ground | Full repair manual for code F20, Transmission Control Unit (TCU) / Central Control Unit (CCU) |
| F21 | Transmission Control Unit (TCU) | Transmission Extension Harness To Main Harness Disconnected | Full repair manual for code F21, Transmission Control Unit (TCU) |
| F22 | Transmission Control Unit (TCU) | Range Shift Synchronizer Did Not Disengage | Full repair manual for code F22, Transmission Control Unit (TCU) |
| F23 | Transmission Controller (TCU) | Creeper Engaged Speed Or Gear To High | Full repair manual for code F23, Transmission Controller (TCU) |
| F24 | Transmission Control Module (TCM) | All Clutches And Synchronizers Require Calibration | Full repair manual for code F24, Transmission Control Module (TCM) |
