Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 37 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 2471 - UCM | UCM | Shuttle lever C3 switch voltage too high | Full repair manual for code 2471 - UCM, UCM |
| 2472 (544.10) - DEC | DEC | Full repair manual for code 2472 (544.10) - DEC, DEC | |
| 2475 (513.10) - DEC | DEC / DCU | CAN 1 - EEC1 Absent on CAN1 | Full repair manual for code 2475 (513.10) - DEC, DEC / DCU |
| 2476 (513.19) - DEC | DEC | CAN 1 - ActualEngine_PercTorque Error | Full repair manual for code 2476 (513.19) - DEC, DEC |
| 2477 (190.19) - DEC | TCU / EPC / DEC | CAN Communication Error - Invalid Engine Speed / Incorrect CAN BUS Message, Engine Speed from ECU | Full repair manual for code 2477 (190.19) - DEC, TCU / EPC / DEC |
| 2478 (92.10) - DEC | Transmission Control Unit (TCU) or Vehicle/Equipment Control Module | CAN 1 - EEC2 Absent on CAN1 | Full repair manual for code 2478 (92.10) - DEC, Transmission Control Unit (TCU) or Vehicle/Equipment Control Module |
| 2479 (92.19) - DEC | DEC (Diesel Engine Control) | CAN 1 - EngPercentLoadAtCurrentSpeed Error | Full repair manual for code 2479 (92.19) - DEC, DEC (Diesel Engine Control) |
| 2482 (514.19) - DEC | Transmission Control Unit (TCU), Vehicle Control Unit (VCU), or EBS module | Nominal Friction - Percent Torque: Received Network Data In Error / Comms Err | Full repair manual for code 2482 (514.19) - DEC, Transmission Control Unit (TCU), Vehicle Control Unit (VCU), or EBS module |
| 2484 (519578.02) - DEC | DEC | CAN 1 - EPL recovery status plausibility | Full repair manual for code 2484 (519578.02) - DEC, DEC |
| 2485 (519578.10) | — | CAN 1 - PB_EPL2_50 Absent on CAN1 | Full repair manual for code 2485 (519578.10) |
| 2486 | EPL (Electronic Park Lock) Controller / Module | EPL not configurated and shuttle lever with park position | Full repair manual for code 2486, EPL (Electronic Park Lock) Controller / Module |
| 2487 (518576.17) - DEC | Transmission Control Module (TCM) / Transmission ECU | Synchro R1-F2 Position Sensor Signal 1 - Open Circuit or Shorted to Ground | Full repair manual for code 2487 (518576.17) - DEC, Transmission Control Module (TCM) / Transmission ECU |
| 2490 (518576.16) - DEC | Transmission Control Module (TCM) | Synchro R1-F2 Position Sensor (Signal 2) Short to Vsupply | Full repair manual for code 2490 (518576.16) - DEC, Transmission Control Module (TCM) |
| 2491 (517958.16) - DEC | Main vehicle controller (ICU/VCU) or Transmission/Hydraulic Controller | Hydro Filter Pressure Sensor Warning - Data valid but above Normal Operating Range - Moderately Severe Level | Full repair manual for code 2491 (517958.16) - DEC, Main vehicle controller (ICU/VCU) or Transmission/Hydraulic Controller |
| 2493 (123.15) - DEC | DEC | Clutch A pressure sensor is stuck | Full repair manual for code 2493 (123.15) - DEC, DEC |
| 2494 (5937.15) - DEC | DEC (Drivetrain Electronic Controller) | Clutch B pressure sensor stuck | Full repair manual for code 2494 (5937.15) - DEC, DEC (Drivetrain Electronic Controller) |
| 2495 (517966.07) - DEC | Transmission control module (Transm) | Transm in N + Park Clutch A slipping | Full repair manual for code 2495 (517966.07) - DEC, Transmission control module (Transm) |
| 2496 (517967.07) - DEC | Transmission Control Unit (TCU) | Transm in N + Park Clutch B slipping | Full repair manual for code 2496 (517967.07) - DEC, Transmission Control Unit (TCU) |
| 2497 (517961.07) - DEC | DEC | Clutch ODD Solenoid - clutch slipping | Full repair manual for code 2497 (517961.07) - DEC, DEC |
| 2498 (517959.07) | Transmission Control Unit (TCU / Trans) | Clutch EVEN Solenoid - clutch slipping | Full repair manual for code 2498 (517959.07), Transmission Control Unit (TCU / Trans) |
| 2500 | UCM | Transmission Input overspeed error | Full repair manual for code 2500, UCM |
| 2501 (127.04) - DEC | Transmission Controller (TCU) | Transmission oil pressure sensor with open circuit or short to ground | Full repair manual for code 2501 (127.04) - DEC, Transmission Controller (TCU) |
| 2501 | Transmission Control Unit (TCU) | Transmission oil pressure sensor - open circuit or short circuit to ground. | Full repair manual for code 2501, Transmission Control Unit (TCU) |
| 2502 | Transmission Controller | Transmission oil pressure sensor - short circuit to +5V | Full repair manual for code 2502, Transmission Controller |
| 2502 (127.03) - DEC | Transmission Control Unit (TCU) | Transmission Oil Pressure Sensor Circuit Fault | Full repair manual for code 2502 (127.03) - DEC, Transmission Control Unit (TCU) |
| 2503 | UCM (User Control Module) or Transmission Controller | Clutch A solenoid – in use and open circuit or short circuit to ground | Full repair manual for code 2503, UCM (User Control Module) or Transmission Controller |
| 2504 | UCM (Universal Control Module) or Transmission ECU | Clutch B solenoid – in use, an open circuit or short circuit to ground | Full repair manual for code 2504, UCM (Universal Control Module) or Transmission ECU |
| 2505 (123.17) | Transmission Control Module (TCU) | Clutch A pressure not plausible (mismatch between clutch A pressure and solenoid current) | Full repair manual for code 2505 (123.17), Transmission Control Module (TCU) |
| 2505 | Transmission Control Unit (TCU) | Clutch A pressure not plausible (mismatch between clutch A pressure and solenoid current) | Full repair manual for code 2505, Transmission Control Unit (TCU) |
| 2506 | Transmission Control Module (TCM) / Central Control Unit (CCU) | Clutch B pressure not plausible (mismatch between clutch B pressure and solenoid current) | Full repair manual for code 2506, Transmission Control Module (TCM) / Central Control Unit (CCU) |
| 2506 (5937.17) - DEC | Transmission Control Module (TCU) | Clutch B pressure not plausible (mismatch between clutch B pressure and solenoid current) | Full repair manual for code 2506 (5937.17) - DEC, Transmission Control Module (TCU) |
| 2507 | Transmission Control Unit (TCU) | F1/F3 synchronizer potentiometer - signal too high | Full repair manual for code 2507, Transmission Control Unit (TCU) |
| 2508 | Transmission Controller | F1/F3 synchronizer potentiometer - signal too low | Full repair manual for code 2508, Transmission Controller |
| 2509 | TCU | Synchronizer Not Moving Towards F1 | Full repair manual for code 2509, TCU |
| 2509 | Transmission Control Unit (TCU) | Battery voltage too low for clutch solenoids | Full repair manual for code 2509, Transmission Control Unit (TCU) |
| 2510 | Transmission Control Module (TCU) | Synchronizer not moving towards F3 | Full repair manual for code 2510, Transmission Control Module (TCU) |
| 2511 | Transmission Control Module (TCU) | F1 solenoid - open circuit or short circuit to ground | Full repair manual for code 2511, Transmission Control Module (TCU) |
| 2512 | Transmission Control Module (TCM) | F3 solenoid - open circuit or short circuit to ground | Full repair manual for code 2512, Transmission Control Module (TCM) |
| 2513 | Transmission Control Unit (TCU) | F1 solenoid - circuit fault | Full repair manual for code 2513, Transmission Control Unit (TCU) |
| 2514 | Transmission Control Unit (TCU) | F3 solenoid - circuit fault | Full repair manual for code 2514, Transmission Control Unit (TCU) |
| 2515 | Transmission Control Module (TECU) / Universal Control Module (UCM) / Universal Controller (HK) | F1/F3 synchronizer - neutral did not engage. | Full repair manual for code 2515, Transmission Control Module (TECU) / Universal Control Module (UCM) / Universal Controller (HK) |
| 2516 (127.16) - DEC | DEC (Driveline Electronic Controller) | Transmission Pressure Sensor - Pressure high | Full repair manual for code 2516 (127.16) - DEC, DEC (Driveline Electronic Controller) |
| 2517 | UCM (Universal Control Module) | F2/R1 synchronizer potentiometer - signal too high | Full repair manual for code 2517, UCM (Universal Control Module) |
| 2518 (518576.04) - DEC | Transmission Control Module | F2/R1 Synchronizer Potentiometer – Signal Too Low | Full repair manual for code 2518 (518576.04) - DEC, Transmission Control Module |
| 2518 | UCM / CCU | F2/R1 synchronizer potentiometer - signal too low | Full repair manual for code 2518, UCM / CCU |
| 2519 (517974.07) - DEC | UCM (Universal Control Module) | Synchronizer not moving towards F2 | Full repair manual for code 2519 (517974.07) - DEC, UCM (Universal Control Module) |
| 2520 (517971.07) - DEC | UCM (Universal Control Module) | Synchronizer not moving towards R1 | Full repair manual for code 2520 (517971.07) - DEC, UCM (Universal Control Module) |
| 2521 | Transmission Controller (UCM) | F2 solenoid - open circuit or short circuit to ground | Full repair manual for code 2521, Transmission Controller (UCM) |
| 2521 (517974.05) - DEC | Universal Control Module (UCM) | F2 Solenoid - Open circuit or short circuit to ground. | Full repair manual for code 2521 (517974.05) - DEC, Universal Control Module (UCM) |
| 2522 (517971.05) - DEC | UCM | R1 Solenoid - Open Circuit Or Short Circuit To Ground | Full repair manual for code 2522 (517971.05) - DEC, UCM |
