Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 35 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 2378 | Transmission Control Unit (TCU) | Parking lock switch - Voltage too low | Full repair manual for code 2378, Transmission Control Unit (TCU) |
| 2379 | Transmission Control Module (TCM) | Malfunction of the three-speed shaft speed sensor | Full repair manual for code 2379, Transmission Control Module (TCM) |
| 2379 | Transmission Control Module (TCU) or Armrest Controller (ARU / ICP) | Parking lock switch - Voltage too high | Full repair manual for code 2379, Transmission Control Module (TCU) or Armrest Controller (ARU / ICP) |
| 2380 | Transmission Control Unit (TCU) / EPL Actuator/Controller module | Parklock – unable to reach desired position | Full repair manual for code 2380, Transmission Control Unit (TCU) / EPL Actuator/Controller module |
| 2380 | Transmission Control Unit (TCU) or Central Control Unit (CCU) | Parklock – unable to reach desired position | Full repair manual for code 2380, Transmission Control Unit (TCU) or Central Control Unit (CCU) |
| 2380 | Transmission Control Unit (TCU) / Vehicle Control Module (VCM) | No shaft 3 speed sensor fault | Full repair manual for code 2380, Transmission Control Unit (TCU) / Vehicle Control Module (VCM) |
| 2380-00 - BCM | BCM | Trailer marker lamps - too many loads or faulty load | Full repair manual for code 2380-00 - BCM, BCM |
| 2380-03 - BCM | BCM | Trailer marker lamps - short circuit to B+ | Full repair manual for code 2380-03 - BCM, BCM |
| 2380-05 - BCM | Body Control Module (BCM) | Trailer marker lamps - open circuit | Full repair manual for code 2380-05 - BCM, Body Control Module (BCM) |
| 2380-06 - BCM | BCM | Trailer marker lamps - short circuit to ground | Full repair manual for code 2380-06 - BCM, BCM |
| 2381 | CCU (Central Control Unit) or XA Module (EPL Controller) | Parklock – bus off | Full repair manual for code 2381, CCU (Central Control Unit) or XA Module (EPL Controller) |
| 2381 | Electronic Park Lock (EPL) controller or Transmission Control Module (TCM) | Parklock discs to be replaced | Full repair manual for code 2381, Electronic Park Lock (EPL) controller or Transmission Control Module (TCM) |
| 2381 | Transmission Control Module (TCU) | Open circuit or short circuit to + BAT of the 5th gear speed sensor | Full repair manual for code 2381, Transmission Control Module (TCU) |
| 2382 | EPL (Electronic Park Lock) Controller / Actuator (Module XA) | Parklock – bus integrity error | Full repair manual for code 2382, EPL (Electronic Park Lock) Controller / Actuator (Module XA) |
| 2382 | Transmission Control Module (TCM) | Parklock - bus integrity error | Full repair manual for code 2382, Transmission Control Module (TCM) |
| 2382 | Transmission Control Module (TCU) | 5th shaft speed sensor short to ground | Full repair manual for code 2382, Transmission Control Module (TCU) |
| 2382-03 - BCM | BCM | Work Lamp #5 / Tractor Clearance Light Short Circuit to B+ | Full repair manual for code 2382-03 - BCM, BCM |
| 2382-05 - BCM | BCM | Work lamp #5 - open circuit | Full repair manual for code 2382-05 - BCM, BCM |
| 2382-06 - BCM | BCM | Work lamp #5 - short circuit to ground | Full repair manual for code 2382-06 - BCM, BCM |
| 2383 | CCM (Cab Control Module / Chassis Control Module) | Shuttle park position switch - voltage too low | Full repair manual for code 2383, CCM (Cab Control Module / Chassis Control Module) |
| 2383 | Transmission Control Unit (TCU) / Transmission Controller | Open circuit or short circuit to + BAT of the 4th gear/shaft speed sensor | Full repair manual for code 2383, Transmission Control Unit (TCU) / Transmission Controller |
| 2383 | Transmission Control Unit (TCU / UCM) or Electronic Park Lock (EPL) controller | Parklock - potentiometer signal too low | Full repair manual for code 2383, Transmission Control Unit (TCU / UCM) or Electronic Park Lock (EPL) controller |
| 2384 | Transmission Control Module (TCM) | Parklock - potentiometer signal too high | Full repair manual for code 2384, Transmission Control Module (TCM) |
| 2384 | Transmission Control Module (TCU) / Drive Control | 4th shaft speed sensor short to ground | Full repair manual for code 2384, Transmission Control Module (TCU) / Drive Control |
| 2384 | Transmission Control Module (TCU) or Central Control Module (CCM) | Shuttle park position switch voltage too low / Short circuit to earth of the 4th gear speed sensor | Full repair manual for code 2384, Transmission Control Module (TCU) or Central Control Module (CCM) |
| 2385 | Transmission Control Module (TCM) | Open circuit or short circuit to + BAT of the 3rd gear speed sensor | Full repair manual for code 2385, Transmission Control Module (TCM) |
| 2385 | Transmission Control Module (TCU) | Inconsistent relationship between transmission output speed and engine speed | Full repair manual for code 2385, Transmission Control Module (TCU) |
| 2385-02 - ACM | ACM | Rotating beacon light command switch circuit fault | Full repair manual for code 2385-02 - ACM, ACM |
| 2386 | TCU | 3rd Shaft Speed Sensor Short to Ground | Full repair manual for code 2386, TCU |
| 2386 - UCM | UCM | Shuttle lever neutral switch - voltage too high | Full repair manual for code 2386 - UCM, UCM |
| 2386 | UCM / XCM | Shuttle lever neutral switch - voltage too high | Full repair manual for code 2386, UCM / XCM |
| 2386-00 - BCM | BCM | Rotating beacon light - too many loads or faulty load | Full repair manual for code 2386-00 - BCM, BCM |
| 2386-03 - BCM | BCM (Body Control Module) | Rotating Beacon Light Command - Voltage Above Normal, Or Shorted To High Source (Short circuit to B+) | Full repair manual for code 2386-03 - BCM, BCM (Body Control Module) |
| 2386-05 - BCM | BCM | Rotating beacon light - open circuit | Full repair manual for code 2386-05 - BCM, BCM |
| 2386-06 - BCM | Body Control Module (BCM) | Rotating Beacon Light Current above normal or grounded circuit | Full repair manual for code 2386-06 - BCM, Body Control Module (BCM) |
| 2387 | Transmission Control Module / Vehicle ECU | 1st shaft speed sensor open circuit of short to battery + Input shaft speed sensor | Full repair manual for code 2387, Transmission Control Module / Vehicle ECU |
| 2387 - UCM | UCM | Shuttle lever neutral switch - voltage too low | Full repair manual for code 2387 - UCM, UCM |
| 2387 | UCM (User Control Module) | Shuttle lever neutral switch - voltage too low | Full repair manual for code 2387, UCM (User Control Module) |
| 2388 | Transmission Control Unit (TCU) or Electronic Control Unit (ECU) | 1st shaft speed sensor short to ground - Input shaft speed sensor | Full repair manual for code 2388, Transmission Control Unit (TCU) or Electronic Control Unit (ECU) |
| 2388-00 - BCM | BCM | Work lamp #8 - too many loads or faulty load | Full repair manual for code 2388-00 - BCM, BCM |
| 2388-03 - BCM | BCM | Work lamp #8 - short circuit to B+ | Full repair manual for code 2388-03 - BCM, BCM |
| 2388-05 - BCM | BCM | Work lamp #8 - open circuit | Full repair manual for code 2388-05 - BCM, BCM |
| 2388-06 - BCM | BCM | Work lamp #8 - short circuit to ground | Full repair manual for code 2388-06 - BCM, BCM |
| 2390 | CCM (Chassis/Cab Control Module) / UCM (Universal Control Module) | Hydraulic Trans Lube - Oil low pressure circuit, pressure too low | Full repair manual for code 2390, CCM (Chassis/Cab Control Module) / UCM (Universal Control Module) |
| 2391 | CCM HD CVT | Hydraulic Trans Lube - Oil low pressure circuit pressure is too high | Full repair manual for code 2391, CCM HD CVT |
| 2392 (517966.04) - DEC | Transmission Control Unit (TCU) | Clutch A solenoid valve has a short circuit to ground | Full repair manual for code 2392 (517966.04) - DEC, Transmission Control Unit (TCU) |
| 2393 (517967.04) - DEC | Transmission Control Unit (TCU) / Transmission ECU | Clutch B solenoid valve - short circuit to ground | Full repair manual for code 2393 (517967.04) - DEC, Transmission Control Unit (TCU) / Transmission ECU |
| 2394-03 - BCM | BCM | Work lamp #9 short circuit to B+ | Full repair manual for code 2394-03 - BCM, BCM |
| 2394-05 - BCM | BCM | BCM: Work lamp #9 - open circuit | Full repair manual for code 2394-05 - BCM, BCM |
| 2394-06 - BCM | BCM | Work Lamp #9 Short circuit to ground | Full repair manual for code 2394-06 - BCM, BCM |
