Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 177 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| F-6819-31 - ECU | Engine Control Module (ECM) / Engine Control Unit (ECU) | Inducement system is locked due to 3 detections in 40 hours (repeat offender) | Full repair manual for code F-6819-31 - ECU, Engine Control Module (ECM) / Engine Control Unit (ECU) |
| F69 | Transmission Controller (TCU) | Shuttle Lever Reverse Switch Input Voltage High | Full repair manual for code F69, Transmission Controller (TCU) |
| F70 | Transmission Controller | Torque Damper Fault | Full repair manual for code F70, Transmission Controller |
| F71 | Transmission Controller (TCU) | Engine Torque/RPM Sensor Open Circuit | Full repair manual for code F71, Transmission Controller (TCU) |
| F72 | Transmission Controller | Engine Torque/RPM Sensor Short To Ground | Full repair manual for code F72, Transmission Controller |
| F-729-03 - ECU | Engine ECU | Intake air heater actuator is shorted to battery voltage | Full repair manual for code F-729-03 - ECU, Engine ECU |
| F-729-04 - ECU | Engine Control Unit (ECU A-095) | Intake air heater actuator is shorted to ground | Full repair manual for code F-729-04 - ECU, Engine Control Unit (ECU A-095) |
| F-729-05 - ECU | Engine Control Unit (ECU) / Engine Control Module (ECM) | Intake air heater actuator has an open load error | Full repair manual for code F-729-05 - ECU, Engine Control Unit (ECU) / Engine Control Module (ECM) |
| F-729-06 - ECU | Engine Control Unit (ECU) | Intake air heater ECU driver has an over-temperature error | Full repair manual for code F-729-06 - ECU, Engine Control Unit (ECU) |
| F73 | Transmission Controller (TCU / EDC) | Transmission Mid Speed Sensor Open Circuit | Full repair manual for code F73, Transmission Controller (TCU / EDC) |
| F74 | Transmission Controller (TCU) | Transmission Mid Speed Sensor Short To Ground | Full repair manual for code F74, Transmission Controller (TCU) |
| F75 | Transmission Controller / EDC (Electronic Draft Control) | Swapped Mid And Output Speed Sensors | Full repair manual for code F75, Transmission Controller / EDC (Electronic Draft Control) |
| F76 | Transmission Controller (Transmission/EDC) | Swapped Engine Torque/RPM Sensor With Either The Mid Or Output Speed Sensors | Full repair manual for code F76, Transmission Controller (Transmission/EDC) |
| F77 | Transmission Controller / Transmission ECU | No Signal From The Output Speed Sensor | Full repair manual for code F77, Transmission Controller / Transmission ECU |
| F78 | Transmission Controller (TCU) | No Signal From The Transmission Mid Speed Sensor | Full repair manual for code F78, Transmission Controller (TCU) |
| F-7820-31 - CGR | CGR | Internal GNSS Antenna | Full repair manual for code F-7820-31 - CGR, CGR |
| F-7820-5 - CGR | CGR (Common GNSS Receiver) | GPS / GNSS Antenna Circuit Open or Current Below Normal | Full repair manual for code F-7820-5 - CGR, CGR (Common GNSS Receiver) |
| F79 | Transmission Controller and Engine Controller | Engine RPM Exceeds 3000 RPM. | Full repair manual for code F79, Transmission Controller and Engine Controller |
| F80 | Transmission Controller (TCU) | Transmission Output Rev/Min Too High For The Selected Gear | Full repair manual for code F80, Transmission Controller (TCU) |
| F81 | Transmission Controller (TCU / Transmission ECU) | Clutch Slipping | Full repair manual for code F81, Transmission Controller (TCU / Transmission ECU) |
| F82 | Transmission Controller / ECU | Foot Throttle Position Sensor Potentiometer Short Circuit To +8 Volts Or +12 Volts | Full repair manual for code F82, Transmission Controller / ECU |
| F83 | Transmission / EDC (Electronic Draft Control) Controller | Foot Throttle Sensor Potentiometer Open Circuit Or Short To Ground | Full repair manual for code F83, Transmission / EDC (Electronic Draft Control) Controller |
| F84 | Transmission Controller (TCU) | Pressure Indicated On Forward Clutch Pressure Switches When The Clutch Solenoids Are Off | Full repair manual for code F84, Transmission Controller (TCU) |
| F-841-12 - CGR | CGR | Receiver Hardware Fault | Full repair manual for code F-841-12 - CGR, CGR |
| F85 | Transmission Control Module (TCM) | Pressure Indicated On Reverse Clutch Pressure Switch When The Clutch Solenoids Are Off | Full repair manual for code F85, Transmission Control Module (TCM) |
| F86 | Transmission Controller | Creeper Fails To Engage | Full repair manual for code F86, Transmission Controller |
| F87 | Transmission Controller | Creeper Fails To Disengage | Full repair manual for code F87, Transmission Controller |
| F88 | Transmission Controller | Creeper Potentiometer Short Circuit To +8 Or +12 Volts | Full repair manual for code F88, Transmission Controller |
| F89 | Transmission Controller | Creeper Potentiometer Open Circuit Or Short To Ground | Full repair manual for code F89, Transmission Controller |
| F90 | Central Controller (XCM) | Central Controller (XCM) Not Present or generated by the EST | Full repair manual for code F90, Central Controller (XCM) |
| F91 | Transmission Control Module (TCM) / Central Controller (XCM) | Display Of Gears Controller (CAN Dog) Not Present | Full repair manual for code F91, Transmission Control Module (TCM) / Central Controller (XCM) |
| F-91-31 - ECU | Engine Control Unit (ECU) | ECU internal failure - Accelerator pedal position sensor | Full repair manual for code F-91-31 - ECU, Engine Control Unit (ECU) |
| F-95-02 - ECU | ECU | Fuel filter switch is failed / Plugged Fuel Filter Switch | Full repair manual for code F-95-02 - ECU, ECU |
| F-95-15 - ECU | Engine Control Unit (ECU) | Fuel filter clog or circuit failure | Full repair manual for code F-95-15 - ECU, Engine Control Unit (ECU) |
| F-97-31 - ECU | Engine Control Unit (ECU) | Water in fuel detected or water in fuel circuit failure | Full repair manual for code F-97-31 - ECU, Engine Control Unit (ECU) |
| FA1 | TCU | Low Range Clutch Solenoid Circuit Fault | Full repair manual for code FA1, TCU |
| FA2 | Transmission Control Unit (TCU) / Transmission Controller | Medium Range Clutch Solenoid Open Circuit Or Short To Ground | Full repair manual for code FA2, Transmission Control Unit (TCU) / Transmission Controller |
| FA3 | Transmission Controller | High Range Clutch Solenoid Open Circuit Or Short To Ground | Full repair manual for code FA3, Transmission Controller |
| FA4 | Transmission Controller (TCM) / EDC | Reverse Clutch Solenoid Open Circuit Or Short To Ground | Full repair manual for code FA4, Transmission Controller (TCM) / EDC |
| FA5 | Transmission Controller (TCU) | Creeper Solenoid Open Circuit Or Short To Ground | Full repair manual for code FA5, Transmission Controller (TCU) |
| FAA | Transmission Controller | Clutch A Solenoid Open Circuit Or Short To Ground | Full repair manual for code FAA, Transmission Controller |
| FAB | Transmission Controller (Transmission/EDC) | Clutch B Solenoid Open Circuit Or Short To Ground | Full repair manual for code FAB, Transmission Controller (Transmission/EDC) |
| FAC | Transmission Control Unit (TCU) | Clutch C Solenoid Open Circuit Or Short To Ground | Full repair manual for code FAC, Transmission Control Unit (TCU) |
| FAD | Transmission Controller | Clutch D Solenoid Open Circuit Or Short To Ground | Full repair manual for code FAD, Transmission Controller |
| FAE | Transmission Controller / TCU | Clutch E Solenoid Open Circuit Or Short To Ground | Full repair manual for code FAE, Transmission Controller / TCU |
| FAF | Transmission Controller / TCU / EDC | PTO Lube Solenoid Open Circuit Or Short To Ground | Full repair manual for code FAF, Transmission Controller / TCU / EDC |
| FB1 | Transmission Controller (TCU) | Low Range Clutch Solenoid Over Voltage | Full repair manual for code FB1, Transmission Controller (TCU) |
| FB2 | Transmission Control Unit (TCU) | Medium Range Clutch Solenoid Over Voltage | Full repair manual for code FB2, Transmission Control Unit (TCU) |
| FB3 | Transmission Controller | High Range Clutch Solenoid Over Voltage | Full repair manual for code FB3, Transmission Controller |
| FB4 | Transmission Controller | Reverse Clutch Solenoid Over Voltage | Full repair manual for code FB4, Transmission Controller |
