Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 2 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 14 | TMF Controller | 5 Volt Sensor Supply voltage is too high | Full repair manual for code 14, TMF Controller |
| 14 | Transmission ECM | MAIN (C1) GEAR SHIFT SWITCH SIGNAL VOLTAGE SHORT TO 5 OR 12 VOLTS | Full repair manual for code 14, Transmission ECM |
| 15 | Electronic Hitch Controller | Load Sensing Pin Short Circuit To +12 Volts, Failed Or Corroded Load Sensing Pin | Full repair manual for code 15, Electronic Hitch Controller |
| 15 | PTO Controller | Erratic, missing, or implausible signal from the PTO engagement lever switch | Full repair manual for code 15, PTO Controller |
| 15 | TMF (Tractor Multi-Function) Controller | 5 Volt Sensor Supply voltage is too low. | Full repair manual for code 15, TMF (Tractor Multi-Function) Controller |
| 15 | Transmission ECM | C1_SW_LO_DIS_ERR | Full repair manual for code 15, Transmission ECM |
| 16 | General Control Module (GCM) or Tractor Control Unit (TCU) | Open circuit connection to load sensing pin, short circuit to ground or failed load sensing pin | Full repair manual for code 16, General Control Module (GCM) or Tractor Control Unit (TCU) |
| 16 | PTO Controller | Battery Voltage Less Than 9.8 Volts | Full repair manual for code 16, PTO Controller |
| 16 | Transmission ECM | RANGE (G1) GEAR SHIFT SWITCH SIGNAL VOLTAGE SHORT TO 5 OR 12 VOLTS | Full repair manual for code 16, Transmission ECM |
| 16 | Transmission ECM | Gear 1 Switch High Error | Full repair manual for code 16, Transmission ECM |
| 17 | Armrest Controller | Hitch Position Command potentiometer failed in the Armrest controller | Full repair manual for code 17, Armrest Controller |
| 17 | Electronic Draft Control (EDC) module | Load sensing pin short circuit to +12 Volts, failed or corroded load sensing pin | Full repair manual for code 17, Electronic Draft Control (EDC) module |
| 17 | Transmission ECM | RANGE (G1) GEAR SHIFT SWITCH SIGNAL VOLTAGE SHORT TO GROUND OR OPEN CIRCUIT | Full repair manual for code 17, Transmission ECM |
| 18 | EDC (Electronic Draft Control) Microprocessor or XCM (Central Controller) | Both Load Sensing Pins Disconnected | Full repair manual for code 18, EDC (Electronic Draft Control) Microprocessor or XCM (Central Controller) |
| 18 | Hitch Controller (HITCH) or Tractor Multi-Function (TMF) / Armrest Controller | Hitch Rockshaft Position potentiometer is outside normal operating range | Full repair manual for code 18, Hitch Controller (HITCH) or Tractor Multi-Function (TMF) / Armrest Controller |
| 18 | Transmission ECM | CREEPER_ENG_SW_HI_ERR | Full repair manual for code 18, Transmission ECM |
| 18.00 - ACML | ACML | Initialization of at least one module failed | Full repair manual for code 18.00 - ACML, ACML |
| 19 | ARM (Armrest Controller) | Hand THROTTLE potentiometer is failed | Full repair manual for code 19, ARM (Armrest Controller) |
| 19 | Armrest Controller (ARM) or Tractor Management Function (TMF) / Hitch Controller | Hitch Upper Limit potentiometer is failed in the Armrest Controller | Full repair manual for code 19, Armrest Controller (ARM) or Tractor Management Function (TMF) / Hitch Controller |
| 19 | Central Controller (XCM) | Pin Reference Voltage Less Than 8 Volts (Short Or Open Circuit) | Full repair manual for code 19, Central Controller (XCM) |
| 19 | Transmission Electronic Control Module (ECM) | CREEPER_ENG_SW_LO_ERR 48 Fixed Mod | Full repair manual for code 19, Transmission Electronic Control Module (ECM) |
| 19.00 - ACML | Armrest Control Module (ACML / ACM) | Init of SelfTest module failed | Full repair manual for code 19.00 - ACML, Armrest Control Module (ACML / ACM) |
| 20 | Hitch Control Module | Pin Reference Voltage Greater Than 8 Volts (Short To +12 Volts) | Full repair manual for code 20, Hitch Control Module |
| 21 | — | Pto switch cycled too quickly or Magnet on lever style switch damaged, missing or dirty | Full repair manual for code 21 |
| 21 | Armrest Controller (ARM) / Tractor Multi-Function (TMF) controller | Hitch Load Command potentiometer is failed in the Armrest Controller | Full repair manual for code 21, Armrest Controller (ARM) / Tractor Multi-Function (TMF) controller |
| 21 | Electronic Draft Control (EDC) Module or Electronic Hitch Control (EHR) Unit | Draft Sensitivity Control Voltage Low (Short Or Open Circuit) | Full repair manual for code 21, Electronic Draft Control (EDC) Module or Electronic Hitch Control (EHR) Unit |
| 21 | Power Shuttle ECM | CH_HARN_ERR 1 Fixed [Link] / Chassis Harness Error | Full repair manual for code 21, Power Shuttle ECM |
| 22 | Armrest Control Module / ICU (Instrument Cluster Unit) / Cab Controller | Check pto control switch circuit | Full repair manual for code 22, Armrest Control Module / ICU (Instrument Cluster Unit) / Cab Controller |
| 22 | Central Controller (XCM) or EHR (Electronic Hitch Control) Control Unit | Draft Sensitivity Control Voltage High | Full repair manual for code 22, Central Controller (XCM) or EHR (Electronic Hitch Control) Control Unit |
| 22 | TMF Controller, Armrest Controller, or Transmission TCU | Single draft pin sensor failed or Clutch Pack (A) Solenoid Short Circuit | Full repair manual for code 22, TMF Controller, Armrest Controller, or Transmission TCU |
| 22 | TMF (Tractor Multi-Function) controller | Single draft pin sensor failed when configured for one draft pin sensor | Full repair manual for code 22, TMF (Tractor Multi-Function) controller |
| 22 | Transmission ECM | Solenoid A Short Circuit Error | Full repair manual for code 22, Transmission ECM |
| 23 | TMF (Transmission Controller / Armrest Controller) or ATC (Advanced Tractor Control) / CCH (Central Controller Hitch) | Two draft pin sensors failed when configured for two draft pins. | Full repair manual for code 23, TMF (Transmission Controller / Armrest Controller) or ATC (Advanced Tractor Control) / CCH (Central Controller Hitch) |
| 23 | Transmission Control Unit (TCU) or Electronic Control Module (ECM) | FNR (Forward/Neutral/Reverse) switch and circuit malfunction | Full repair manual for code 23, Transmission Control Unit (TCU) or Electronic Control Module (ECM) |
| 23 | Transmission ECM | Clutch Pack (B) Pulse Width Modulated (PWM) Solenoid Coil Short Circuit | Full repair manual for code 23, Transmission ECM |
| 24 | Electronic Draft Control (EDC) / Electronic Hitch Control (EHR) | Perform Hydraulic Lift Calibration | Full repair manual for code 24, Electronic Draft Control (EDC) / Electronic Hitch Control (EHR) |
| 24 | PTO (Power Take-Off) Controller | Erase Error Code | Full repair manual for code 24, PTO (Power Take-Off) Controller |
| 24 | TMF (Tractor Multi-Function), ARM (Armrest), or AUX (Auxiliary Remote) Controller | Communications Lost with Instrumentation Controller | Full repair manual for code 24, TMF (Tractor Multi-Function), ARM (Armrest), or AUX (Auxiliary Remote) Controller |
| 24 | Transmission Controller | None of the transmission clutches are calibrated | Full repair manual for code 24, Transmission Controller |
| 25 | Armrest Controller | Hitch Up/Down Switch failed in the Armrest controller | Full repair manual for code 25, Armrest Controller |
| 25 | Electronic Hitch Control Module | Position Lever Potentiometer Control Voltage Low (Short Or Open Circuit) | Full repair manual for code 25, Electronic Hitch Control Module |
| 25 | PTO (Power Take-Off) / Transmission Controller | Stored error code from a previously corrected error | Full repair manual for code 25, PTO (Power Take-Off) / Transmission Controller |
| 26 | Hitch Control Unit / Electronic Draft Control (EDC) | Position Lever Potentiometer Control Voltage High | Full repair manual for code 26, Hitch Control Unit / Electronic Draft Control (EDC) |
| 26 | PTO / Transmission Controller | Erase error code, this is a stored error code from a previously corrected error | Full repair manual for code 26, PTO / Transmission Controller |
| 26 | TMF (Tractor Multi-Function) Controller | Fender UP and DOWN switch failure or both switches simultaneously pressed | Full repair manual for code 26, TMF (Tractor Multi-Function) Controller |
| 26 | Transmission ECM | Engine RPM Frequency Signal Too High | Full repair manual for code 26, Transmission ECM |
| 27 | EDC (Electronic Draft Control) or EHR (Electronic Hitch Control) | Lift Arm Position Sensing Control Voltage Low (Short Or Open Circuit) | Full repair manual for code 27, EDC (Electronic Draft Control) or EHR (Electronic Hitch Control) |
| 27 | Transmission ECM | ERPM_LO_ERR 66 Fixed Mod (Engine RPM Frequency Signal Too Low) | Full repair manual for code 27, Transmission ECM |
| 27 | Transmission/Powershift Control System | Neutral lamp not operating. | Full repair manual for code 27, Transmission/Powershift Control System |
| 28 | Hitch / Electronic Draft Control (EDC) Module | Lift Arm Position Sensing Control Voltage High (Damaged Potentiometer Or Short To +12 Volts) | Full repair manual for code 28, Hitch / Electronic Draft Control (EDC) Module |
