Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 179 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| INST12053 | — | Communications Lost with Vehicle Data Bus 2 | Full repair manual for code INST12053 |
| INST12121 | — | Communications Lost with Color Performance Monitor | Full repair manual for code INST12121 |
| INST13010 | — | Engine Coolant Temperature Sensor Failure | Full repair manual for code INST13010 |
| INST13011 | — | Engine Coolant Temperature Sensor Voltage Too Low | Full repair manual for code INST13011 |
| INST13012 | — | Engine Coolant Temperature Sensor Voltage Too High | Full repair manual for code INST13012 |
| INST13021 | — | Transmission Oil Temperature Sensor Voltage Too Low (Short to Ground) | Full repair manual for code INST13021 |
| INST13022 | — | Transmission Oil Temperature Sensor Voltage Too High | Full repair manual for code INST13022 |
| INST13044 | — | Fuel Shut Off Relay Latched with Short Detected | Full repair manual for code INST13044 |
| INST3010 | — | PTO Shaft Speed Sensor Failure in PTO Controller | Full repair manual for code INST3010 |
| INST3020 | — | Engine Speed Sensor Failure | Full repair manual for code INST3020 |
| INST5010 | — | Engine Oil Pressure Sensor Failure | Full repair manual for code INST5010 |
| INST5011 | — | Engine Oil Pressure Sensor Voltage Too Low | Full repair manual for code INST5011 |
| INST7024 | — | Reversible Fan Control Circuit Issue | Full repair manual for code INST7024 |
| L | Hitch Controller | Load control circuit failure | Full repair manual for code L, Hitch Controller |
| L01 | Front Suspension control system / Transmission/EDC controller | Lockout Valve Raising Solenoid Not Working | Full repair manual for code L01, Front Suspension control system / Transmission/EDC controller |
| L02 | Front Suspension Control Module | Raising Solenoid Not Working | Full repair manual for code L02, Front Suspension Control Module |
| L03 | Front Suspension Control Module (GCM1 / XCM) | Lowering Solenoid Not Working | Full repair manual for code L03, Front Suspension Control Module (GCM1 / XCM) |
| L04 | Front Suspension Controller | Front Axle Potentiometer Threshold Is Higher Than The Set Limit | Full repair manual for code L04, Front Suspension Controller |
| L05 | Front Suspension Control System | Front Axle Potentiometer Threshold Is Lower Than The Set Limit | Full repair manual for code L05, Front Suspension Control System |
| L06 | Front Suspended Axle Controller (GCM1 or XCM) | The Suspension Is Not Calibrated | Full repair manual for code L06, Front Suspended Axle Controller (GCM1 or XCM) |
| L07 | Front Suspended Axle Controller (GCM1 or XCM module) | Front Axle Weight Has Been Reduced But The Suspension Is Unable To Reset Nominal Height | Full repair manual for code L07, Front Suspended Axle Controller (GCM1 or XCM module) |
| L08 | GCM1 or XCM | Front Axle Weight Has Been Increased But The Suspension Is Unable To Reset Nominal Height | Full repair manual for code L08, GCM1 or XCM |
| L09 | Front Suspended Axle Controller (GCM1 or XCM) | Lockout Valve Lower Solenoid Not Working | Full repair manual for code L09, Front Suspended Axle Controller (GCM1 or XCM) |
| N | Transmission Control Unit (TCU) | Shift To Neutral To Re-Enable The Transmission | Full repair manual for code N, Transmission Control Unit (TCU) |
| NH10001 | — | Upper Lockout Solenoid Error | Full repair manual for code NH10001 |
| NH10002 | — | Raise Solenoid Error | Full repair manual for code NH10002 |
| NH10003 | — | Lower Solenoid Error | Full repair manual for code NH10003 |
| NH10004 | — | Front Axle Potentiometer Signal Above Threshold | Full repair manual for code NH10004 |
| NH10005 | — | Front Axle Potentiometer Signal Below Threshold | Full repair manual for code NH10005 |
| NH10007 | — | Suspension System Unable to Return to Set Point | Full repair manual for code NH10007 |
| NH10008 | — | Suspension System Unable to Return to Set Point | Full repair manual for code NH10008 |
| NH10009 | — | Lower Lockout Solenoid Error | Full repair manual for code NH10009 |
| NH1005 | — | Speed Sensor Signal Too High | Full repair manual for code NH1005 |
| NH1006 | — | Slip Control Potentiometer Signal Too Low | Full repair manual for code NH1006 |
| NH1007 | — | Slip Control Potentiometer Signal Too High | Full repair manual for code NH1007 |
| NH1008 | — | Raise / Work Switch Failure | Full repair manual for code NH1008 |
| NH1010 | — | Height Limit Potentiometer Signal Too Low | Full repair manual for code NH1010 |
| NH1011 | — | Height Limit Potentiometer Signal Too High | Full repair manual for code NH1011 |
| NH1012 | — | Drop Rate Potentiometer Signal Too Low | Full repair manual for code NH1012 |
| NH1013 | — | Drop Rate Potentiometer Signal Too High | Full repair manual for code NH1013 |
| NH1016 | — | L/H Load Sensing Pin Signal Too Low | Full repair manual for code NH1016 |
| NH1018 | — | Both Load Sensing Pin Disconnected | Full repair manual for code NH1018 |
| NH1019 | — | Load Sensing Pin Voltage Too Low | Full repair manual for code NH1019 |
| NH1020 | — | Load Sensing Pin Voltage Too High | Full repair manual for code NH1020 |
| NH1021 | — | Position / Draft Control Potentiometer Too Low | Full repair manual for code NH1021 |
| NH1022 | — | Position / Draft Control Potentiometer Too High | Full repair manual for code NH1022 |
| NH1023 | — | Control Panel Disconnected | Full repair manual for code NH1023 |
| NH1025 | — | Mouse Lift Lever Potentiometer Signal Too Low | Full repair manual for code NH1025 |
| NH1026 | — | Mouse Lift Lever Potentiometer Signal Too High | Full repair manual for code NH1026 |
| NH1027 | — | Maximum Lift Arm Position Potentiometer Too Low | Full repair manual for code NH1027 |
