Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 82 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 4402 | UCM (Universal Control Module) or IC (Instrument Cluster) | Park Brake (Mechanical Machines) Shorted To Power | Full repair manual for code 4402, UCM (Universal Control Module) or IC (Instrument Cluster) |
| 4431 | UCM (Universal Control Module) or Hyd (Hydraulic Controller) | Park Brake Pressure Switch (Plausibility Check With Solenoid Valve) | Full repair manual for code 4431, UCM (Universal Control Module) or Hyd (Hydraulic Controller) |
| 4500 | Primary Hydraulic Power System or Front EHR Controller | Front remote no. 1 - no control message received | Full repair manual for code 4500, Primary Hydraulic Power System or Front EHR Controller |
| 4501 | Front EHR (Electronic Hydraulic Remote) control module | Front remote no. 1 - control message not plausible | Full repair manual for code 4501, Front EHR (Electronic Hydraulic Remote) control module |
| 4502 | EHR Controller | Front Remote 1 EEPROM Error | Full repair manual for code 4502, EHR Controller |
| 4503 | Primary Hydraulic Power System | Front remote no. 1 – switched to failsafe | Full repair manual for code 4503, Primary Hydraulic Power System |
| 4504 | EHR (Electronic Hitch/Remote) Controller or Armrest Controller / Auxiliary Valve Controller | Front remote no. 1 - under voltage | Full repair manual for code 4504, EHR (Electronic Hitch/Remote) Controller or Armrest Controller / Auxiliary Valve Controller |
| 4505 | EHR (Electro-Hydraulic Remote) Controller or Armrest Controller | Front remote no. 1 - over voltage | Full repair manual for code 4505, EHR (Electro-Hydraulic Remote) Controller or Armrest Controller |
| 4506 | XCM processor | Front remote no. 1 - spool movement too low | Full repair manual for code 4506, XCM processor |
| 4507 | EHR (Electro-Hydraulic Remote) Controller | Front remote no. 1 - spool movement too high | Full repair manual for code 4507, EHR (Electro-Hydraulic Remote) Controller |
| 4508 | EHR (Electro-Hydraulic Remote) Controller or Armrest Controller (ATC) | Front remote no. 1 - float position not reached | Full repair manual for code 4508, EHR (Electro-Hydraulic Remote) Controller or Armrest Controller (ATC) |
| 4509 | EHR (Electronic Hydraulic Remote) Control Module | Front remote no. 1 - manually operated | Full repair manual for code 4509, EHR (Electronic Hydraulic Remote) Control Module |
| 4510 | Front Electronic Hydraulic Remote Valves (EHR) Controller | Front remote no. 1 - driver faulty | Full repair manual for code 4510, Front Electronic Hydraulic Remote Valves (EHR) Controller |
| 4511 | Front Electronic Hydraulic Remote Valves controller or Armrest Controller | Front remote no. 1 - potentiometer faulty | Full repair manual for code 4511, Front Electronic Hydraulic Remote Valves controller or Armrest Controller |
| 4512 | Auxiliary/Remote Valve Controller or Electronic Control Module (ECM) | Front remote no. 1 - unable to reach neutral | Full repair manual for code 4512, Auxiliary/Remote Valve Controller or Electronic Control Module (ECM) |
| 4513 | Primary Hydraulic Power System / Electro-Hydraulic Remote Valve Controller | Front remote no. 1 - spool not in neutral at key on | Full repair manual for code 4513, Primary Hydraulic Power System / Electro-Hydraulic Remote Valve Controller |
| 4514 | Armrest Controller / Multicontroller or Auxiliary Valve Controller | Front remote no. 2 - no control message received. | Full repair manual for code 4514, Armrest Controller / Multicontroller or Auxiliary Valve Controller |
| 4515 | ICU (Instrument Cluster Unit) / Armrest Controller | Front remote no. 2 - control message not plausible | Full repair manual for code 4515, ICU (Instrument Cluster Unit) / Armrest Controller |
| 4516 | Steering / Remote Valve Controller | Front remote no. 2 – EEPROM error | Full repair manual for code 4516, Steering / Remote Valve Controller |
| 4517 | Primary Hydraulic Power System / Front Electronic Hydraulic Remote Valves (EHR) / Mid-mount remote control valve | Front remote no. 2 – switched to failsafe | Full repair manual for code 4517, Primary Hydraulic Power System / Front Electronic Hydraulic Remote Valves (EHR) / Mid-mount remote control valve |
| 4518 | Front Electronic Hydraulic Remote Valves controller | Front remote no. 2 - under voltage | Full repair manual for code 4518, Front Electronic Hydraulic Remote Valves controller |
| 4519 | CCM (Central Control Module) or EHR (Electronic Hydraulic Remote) controller | Front remote no. 2 – over voltage | Full repair manual for code 4519, CCM (Central Control Module) or EHR (Electronic Hydraulic Remote) controller |
| 4520 | CCM (Central Control Module) or MTA (Multi-Tractor Architecture) controller | Front remote no. 2 - spool movement too low | Full repair manual for code 4520, CCM (Central Control Module) or MTA (Multi-Tractor Architecture) controller |
| 4521 | CCM (Chassis Control Module) or MTA (Multi-Controller Armrest) / EHR (Electronic Hitch/Remote) controller | Front remote no. 2 - spool movement too high | Full repair manual for code 4521, CCM (Chassis Control Module) or MTA (Multi-Controller Armrest) / EHR (Electronic Hitch/Remote) controller |
| 4522 | Front Electronic Hydraulic Remote Valves | Front remote no. 2 - float position not reached. | Full repair manual for code 4522, Front Electronic Hydraulic Remote Valves |
| 4523 | CCM (Central Control Module) / APH (Auxiliary Power Hub) / Electro-hydraulic remote valve controller | Front remote no. 2 - manually operated | Full repair manual for code 4523, CCM (Central Control Module) / APH (Auxiliary Power Hub) / Electro-hydraulic remote valve controller |
| 4524 | Central Control Module (CCM) or Front Electronic Hydraulic Remote Valves controller | Front remote no. 2 - driver faulty | Full repair manual for code 4524, Central Control Module (CCM) or Front Electronic Hydraulic Remote Valves controller |
| 4525 | EHR (Electronic Hitch/Hydraulic Remote) Controller or Armrest Controller (ARM) | Front remote no. 2 - potentiometer faulty | Full repair manual for code 4525, EHR (Electronic Hitch/Hydraulic Remote) Controller or Armrest Controller (ARM) |
| 4526 | Armrest Control Module or EHR (Electro-Hydraulic Remote) / Auxiliary Hydraulic Controller | Front remote no. 2 - unable to reach neutral | Full repair manual for code 4526, Armrest Control Module or EHR (Electro-Hydraulic Remote) / Auxiliary Hydraulic Controller |
| 4527 | EHR (Electronic Hydraulic Remote) Controller or Armrest Controller / AUX Remote Valve Controller | Front remote no. 2 - spool not in neutral at key on | Full repair manual for code 4527, EHR (Electronic Hydraulic Remote) Controller or Armrest Controller / AUX Remote Valve Controller |
| 4528 | Armrest Control Unit (ARU) or Implement Control Unit (ICU) | Front remote no. 3 - no control message received | Full repair manual for code 4528, Armrest Control Unit (ARU) or Implement Control Unit (ICU) |
| 4529 | Front Electronic Hydraulic Remote Valves controller (EHR controller) | Front remote no. 3 - control message not plausible | Full repair manual for code 4529, Front Electronic Hydraulic Remote Valves controller (EHR controller) |
| 4530 | EHR (Electro-Hydraulic Remote) Valve Electronic Module | Front remote no. 3 - EEPROM error | Full repair manual for code 4530, EHR (Electro-Hydraulic Remote) Valve Electronic Module |
| 4531 | Primary Hydraulic Power System | Front remote no. 3 – switched to failsafe | Full repair manual for code 4531, Primary Hydraulic Power System |
| 4532 | EHR (Electronic Hitch/Hydraulic Remote) controller | Front remote no. 3 - under voltage | Full repair manual for code 4532, EHR (Electronic Hitch/Hydraulic Remote) controller |
| 4533 | CCM (Central Control Module) or EHR (Electronic Hitch/Remote) Controller | Front remote no. 3 - over voltage | Full repair manual for code 4533, CCM (Central Control Module) or EHR (Electronic Hitch/Remote) Controller |
| 4534 | Auxiliary Valve Control Module / Armrest Controller (Electronic Hydraulic Remote or EHR controller) | Front remote no. 3 - spool movement too low | Full repair manual for code 4534, Auxiliary Valve Control Module / Armrest Controller (Electronic Hydraulic Remote or EHR controller) |
| 4535 | Remote Valve Controller / EHR Controller | Front remote no. 3 - spool movement too high | Full repair manual for code 4535, Remote Valve Controller / EHR Controller |
| 4536 | EHR (Electro Hydraulic Remote) controller | Front remote no. 3 – float position not reached | Full repair manual for code 4536, EHR (Electro Hydraulic Remote) controller |
| 4537 | EHR (Electro-Hydraulic Remote) Controller or Armrest Controller | Front remote no. 3 - manually operated | Full repair manual for code 4537, EHR (Electro-Hydraulic Remote) Controller or Armrest Controller |
| 4538 | Auxiliary (AUX) Controller | Front remote no. 3 - driver faulty | Full repair manual for code 4538, Auxiliary (AUX) Controller |
| 4539 | Armrest Controller (ARM) or Electronic Hitch/Remote (EHR) | Front remote no. 3 - potentiometer faulty | Full repair manual for code 4539, Armrest Controller (ARM) or Electronic Hitch/Remote (EHR) |
| 4540 | Armrest Controller / Electro Hydraulic Remote (EHR) valve controller | Front remote no. 3 - unable to reach neutral | Full repair manual for code 4540, Armrest Controller / Electro Hydraulic Remote (EHR) valve controller |
| 4541 | Armrest Controller / EHR (Electro-Hydraulic Remote) Control Unit | Front remote no. 3 - spool not in neutral at key on | Full repair manual for code 4541, Armrest Controller / EHR (Electro-Hydraulic Remote) Control Unit |
| 4542 | Vehicle Control Unit (VCU) or Armrest Controller (ICU/Multi-controller) | Front remote no. 4 - no control message received | Full repair manual for code 4542, Vehicle Control Unit (VCU) or Armrest Controller (ICU/Multi-controller) |
| 4543 | EHR (Electro-Hydraulic Remote) Controller | Front remote No. 4 - Control message not plausible | Full repair manual for code 4543, EHR (Electro-Hydraulic Remote) Controller |
| 4544 | EHR (Electro-Hydraulic Remote) Controller | Front remote No.4 - EEPROM error. | Full repair manual for code 4544, EHR (Electro-Hydraulic Remote) Controller |
| 4545 | Electronic System / EHR (Electro-Hydraulic Remote) Controller | Front remote No. 4 - switched to failsafe | Full repair manual for code 4545, Electronic System / EHR (Electro-Hydraulic Remote) Controller |
| 4546 | EHR (Electronic Hydraulic Remote) Controller | Front remote No.4 - under voltage | Full repair manual for code 4546, EHR (Electronic Hydraulic Remote) Controller |
| 4547 | EHR (Electro Hydraulic Remote) / AUX Controller | Front remote No.4 - over voltage | Full repair manual for code 4547, EHR (Electro Hydraulic Remote) / AUX Controller |
