Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 81 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 4324 | EHR (Electronic Hitch/Hydraulic Remote) | Rear remote no. 7 - manually operated | Full repair manual for code 4324, EHR (Electronic Hitch/Hydraulic Remote) |
| 4325 | EHR (Electronic Hitch/Hydraulic Remote) | Rear Remote No.7 - Output Stage Faulty | Full repair manual for code 4325, EHR (Electronic Hitch/Hydraulic Remote) |
| 4326 | EHR (Electronic Hitch/Hydraulic Remote) | Rear remote no. 7 - internal position sensor faulty | Full repair manual for code 4326, EHR (Electronic Hitch/Hydraulic Remote) |
| 4327 | EHR (Electronic Hitch/Hydraulic Remote) | Rear Remote No.7 - Spool Cannot be Brought Back to Neutral | Full repair manual for code 4327, EHR (Electronic Hitch/Hydraulic Remote) |
| 4328 | EHR (Electro-Hydraulic Remote) Controller | Rear Remote No.7 - Spool Not in Neutral When Switched On | Full repair manual for code 4328, EHR (Electro-Hydraulic Remote) Controller |
| 4329 | EHR (Electronic Hydraulic Remote) Controller / Central Controller | Rear remote no. 8 - no control message received | Full repair manual for code 4329, EHR (Electronic Hydraulic Remote) Controller / Central Controller |
| 4330 | EHR | Rear Remote No.8 - Implausible EHR Control Messages | Full repair manual for code 4330, EHR |
| 4330 | EHR (Electronic Hitch / Remote) | Rear Remote No.8 -Position Transducer Faulty | Full repair manual for code 4330, EHR (Electronic Hitch / Remote) |
| 4331 | EHR (Electro-Hydraulic Remote) | Rear Remote No.8 - Checksum Verification Failure | Full repair manual for code 4331, EHR (Electro-Hydraulic Remote) |
| 4332 | EHR / ATC | Rear remote no. 8 - not commanded neutral on power-up | Full repair manual for code 4332, EHR / ATC |
| 4333 | EHR (Electronic Hitch / Hydraulic Remote) | Rear remote no. 8 - under voltage | Full repair manual for code 4333, EHR (Electronic Hitch / Hydraulic Remote) |
| 4334 | EHR (Electronic Hitch/Hydraulic Remote) Controller | Rear remote no. 8 - over voltage | Full repair manual for code 4334, EHR (Electronic Hitch/Hydraulic Remote) Controller |
| 4335 | EHR (Electronic Hitch/Hydraulic Remote) | Rear Remote No.8 - Spool Deflection Too Short | Full repair manual for code 4335, EHR (Electronic Hitch/Hydraulic Remote) |
| 4336 | EHR | Rear Remote No.8 - Spool Deflection Excessive | Full repair manual for code 4336, EHR |
| 4337 | EHR (Electronic Hitch/Hydraulic Remote) | Rear Remote No.8 - Open Center Position Not Reached | Full repair manual for code 4337, EHR (Electronic Hitch/Hydraulic Remote) |
| 4338 | EHR (Electronic Hydraulic Remote / Electronic Hitch Record) | Rear remote no. 8 - manually operated | Full repair manual for code 4338, EHR (Electronic Hydraulic Remote / Electronic Hitch Record) |
| 4339 | EHR (Electro-Hydraulic Remote) | Rear Remote No.8 - Output Stage Faulty | Full repair manual for code 4339, EHR (Electro-Hydraulic Remote) |
| 4340 | EHR (Electronic Hitch/Remote) control module | Rear remote control valve No. 8 - internal position sensor defective | Full repair manual for code 4340, EHR (Electronic Hitch/Remote) control module |
| 4341 | EHR | Rear Remote No.8 - Spool Cannot be Brought Back to Neutral | Full repair manual for code 4341, EHR |
| 4342 | EHR (Electro-Hydraulic Remote) | Rear Remote No.8 - Spool Not in Neutral When Switched On | Full repair manual for code 4342, EHR (Electro-Hydraulic Remote) |
| 4343 | EHR (Electronic Hitch/Hydraulic Remote) Controller or Armrest Controller (AUX / TMF) | Rear Remote No.5 - Lever Not Calibrated | Full repair manual for code 4343, EHR (Electronic Hitch/Hydraulic Remote) Controller or Armrest Controller (AUX / TMF) |
| 4344 | EHR (Electronic Hitch/Hydraulic Remote) Control Unit | Rear Remote No.6 - Lever Not Calibrated | Full repair manual for code 4344, EHR (Electronic Hitch/Hydraulic Remote) Control Unit |
| 4345 | EHR (Electro-Hydraulic Remote) Control Module | Rear Remote No.7 - Lever Not Calibrated | Full repair manual for code 4345, EHR (Electro-Hydraulic Remote) Control Module |
| 4346 | EHR (Electronic Hitch/Hydraulic Remote) | Rear Remote No.8 - Lever Not Calibrated | Full repair manual for code 4346, EHR (Electronic Hitch/Hydraulic Remote) |
| 4347 | EHR (Electronic Hitch/Hydraulic Remote) | Rear remote no. 6 - no communications | Full repair manual for code 4347, EHR (Electronic Hitch/Hydraulic Remote) |
| 4348 | EHR (Electronic Hitch / Hydraulic Remote) | Rear remote no. 7 - no communications | Full repair manual for code 4348, EHR (Electronic Hitch / Hydraulic Remote) |
| 4349 | EHR | Rear remote no. 8 - no communications | Full repair manual for code 4349, EHR |
| 4350 | EHR (Electro-Hydraulic Remote) Control Unit / Armrest Controller | Rear Remote No.6 - Valve Spool Not Calibrated | Full repair manual for code 4350, EHR (Electro-Hydraulic Remote) Control Unit / Armrest Controller |
| 4351 | EHR (Electronic Hitch/Hydraulic Remote) Controller | Rear Remote No.7 - Valve Spool Not Calibrated | Full repair manual for code 4351, EHR (Electronic Hitch/Hydraulic Remote) Controller |
| 4352 | EHR (Electronic Hitch/Hydraulic Remote) | Rear Remote No.8 - Valve Spool Not Calibrated | Full repair manual for code 4352, EHR (Electronic Hitch/Hydraulic Remote) |
| 4353 | TCU (Tractor Control Unit) | EHR FB 1 Shorted to High Source | Full repair manual for code 4353, TCU (Tractor Control Unit) |
| 4354 | TCU | EHR FB 1 Shorted to low source | Full repair manual for code 4354, TCU |
| 4355 | EHR (Electronic Hitch/Hydraulic Remote) / TCU (Tractor Control Unit) | EHR FB 3 Shorted to high source | Full repair manual for code 4355, EHR (Electronic Hitch/Hydraulic Remote) / TCU (Tractor Control Unit) |
| 4356 | Tractor Control Unit (TCU) / Electronic Control Module (ECM) | EHR FB 3 Shorted to low source / EHR FB 3 Low Err | Full repair manual for code 4356, Tractor Control Unit (TCU) / Electronic Control Module (ECM) |
| 4357 | EHR (Electro-Hydraulic Remote) Controller / TCU (Tractor Control Unit) | EHR Implement Lower Error | Full repair manual for code 4357, EHR (Electro-Hydraulic Remote) Controller / TCU (Tractor Control Unit) |
| 4358 | EHR (Electronic Hitch Control / Electro-Hydraulic Remote) module | EHR Implement Raise Error | Full repair manual for code 4358, EHR (Electronic Hitch Control / Electro-Hydraulic Remote) module |
| 4361 | UCM (Universal Control Module) | Reverse Pump Control Valves (Directional) Solenoid Right (A) Supply Open Circuit | Full repair manual for code 4361, UCM (Universal Control Module) |
| 4362 | UCM (Universal Control Module) | Reverse Pump Control Valves (Directional) Solenoid Right (A) Supply Shorted To Ground | Full repair manual for code 4362, UCM (Universal Control Module) |
| 4370 | EHR (Electro-Hydraulic Remote) Controller or AUX (Auxiliary Valve) Controller | EHR pressure sensor - out of range high | Full repair manual for code 4370, EHR (Electro-Hydraulic Remote) Controller or AUX (Auxiliary Valve) Controller |
| 4371 | UCM (Universal Control Module) | Reverse Pump Control Valves (Directional) Solenoid Left (B) Supply Open Circuit | Full repair manual for code 4371, UCM (Universal Control Module) |
| 4372 | — | Swashplate angle sensor - out of range high | Full repair manual for code 4372 |
| 4372 | UCM (Universal Control Module) | Reverse Pump Control Valves (Directional) Solenoid Left (B) Supply Shorted To Ground | Full repair manual for code 4372, UCM (Universal Control Module) |
| 4373 | UCM (Universal Control Module) | Reverse Pump Control Valves (Directional) - Solenoid Left (B) Supply STP (Short to Power) | Full repair manual for code 4373, UCM (Universal Control Module) |
| 4374 | Engine Control Module (ECM), Aftertreatment Control Module (ACM), or Dosing Control Unit (DCU) | DEF pump motor speed permanent deviation or pressure stabilization error at the SCR dosing valve | Full repair manual for code 4374, Engine Control Module (ECM), Aftertreatment Control Module (ACM), or Dosing Control Unit (DCU) |
| 4375 | Engine ECU / DCU / UCM / Ground Drive Controller | DEF Pump Motor Control Signal / Swashplate Angle Sensor Plausibility | Full repair manual for code 4375, Engine ECU / DCU / UCM / Ground Drive Controller |
| 4376 | Engine Control Unit (ECU) or Aftertreatment / Dosing Control Unit (DCU) | DEF Pump Direction Valve / SCR Reversing Valve Failure | Full repair manual for code 4376, Engine Control Unit (ECU) or Aftertreatment / Dosing Control Unit (DCU) |
| 4381 | UCM (Universal Control Module) | Reverse Pump Control Valves (Directional) Pumps Reverse Solenoid(s) are Shorted to Power | Full repair manual for code 4381, UCM (Universal Control Module) |
| 4382 | UCM (Universal Control Module) | Reverse Pump Control Valves (Directional) Pumps Reverse Solenoid(s) Shorted To Ground | Full repair manual for code 4382, UCM (Universal Control Module) |
| 4383 | UCM | Reverse Pump Control Valves (Directional) Solenoids Return Open Circuit | Full repair manual for code 4383, UCM |
| 4401 | Instrument Cluster (IC) or Universal Control Module (UCM) | Park Brake (Mechanical Machines) Solenoid Open Circuit | Full repair manual for code 4401, Instrument Cluster (IC) or Universal Control Module (UCM) |
