Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 184 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| NH5038 | — | Cab & Fender PTO Switches Operated Within 2 Seconds | Full repair manual for code NH5038 |
| NH5039 | — | Incorrect Voltage on Fender PTO Switch | Full repair manual for code NH5039 |
| NH5040 | — | Rear Fender PTO Switches Reversed | Full repair manual for code NH5040 |
| NH5042 | — | PTO Management Switch Shorted | Full repair manual for code NH5042 |
| NH7014 | — | Difflock Switch Error | Full repair manual for code NH7014 |
| NH7015 | — | Difflock Solenoid Stuck Off | Full repair manual for code NH7015 |
| NH7016 | — | Difflock Solenoid Stuck on | Full repair manual for code NH7016 |
| NH7018 | — | Difflock Driver Over Temperature | Full repair manual for code NH7018 |
| NH7031 | — | Steering Angle Sensor Out of Maximum Range | Full repair manual for code NH7031 |
| NH7032 | — | Steering Angle Sensor Out of Minimum Range | Full repair manual for code NH7032 |
| NH8024 | — | Front PTO Not Calibrated | Full repair manual for code NH8024 |
| NH8027 | — | Front PTO Speed Sensor Open Circuit | Full repair manual for code NH8027 |
| NH9001 | — | Front HPL Potentiometer Open Circuit | Full repair manual for code NH9001 |
| NH9002 | — | Front HPL Potentiometer Short Circuit | Full repair manual for code NH9002 |
| P | Hitch Controller / EDC (Electronic Draft Control) Module | Open or shorted position control circuit or misadjusted hitch position control potentiometer. | Full repair manual for code P, Hitch Controller / EDC (Electronic Draft Control) Module |
| P0071 | — | Ambient Air Temperature Sensor Fault | Full repair manual for code P0071 |
| P01 | Tractor Electronic Management Unit | Rear PTO Brake Solenoid Stuck Off | Full repair manual for code P01, Tractor Electronic Management Unit |
| P02 | EMU (Electronic Management Unit) | Rear PTO Brake Solenoid Stuck On | Full repair manual for code P02, EMU (Electronic Management Unit) |
| P03 | Electronic Management Unit (EMU) | Rear PTO Brake Output Open Circuit | Full repair manual for code P03, Electronic Management Unit (EMU) |
| P04 | Electronic Management Unit (EMU) or Transmission/PTO Controller | Rear PTO Brake Driver Over Temperature | Full repair manual for code P04, Electronic Management Unit (EMU) or Transmission/PTO Controller |
| P0426 | — | Plausibility Error in Catalyst Temperature Sensor | Full repair manual for code P0426 |
| P042B | — | Catalyst Temperature Sensor Circuit Range/Performance Issue | Full repair manual for code P042B |
| P042C | — | Catalyst Temperature Sensor Fault | Full repair manual for code P042C |
| P042D | — | Catalyst Temperature Sensor Fault | Full repair manual for code P042D |
| P05 | CCM (Central Control Unit) or Rear PTO Management system | Rear PTO Brake Switch open circuit | Full repair manual for code P05, CCM (Central Control Unit) or Rear PTO Management system |
| P0562 | — | Battery Voltage Evaluation - Below | Full repair manual for code P0562 |
| P0563 | — | Battery Voltage Evaluation - Above | Full repair manual for code P0563 |
| P06 | Electronic Draft Control (EDC) / Rear PTO Controller | Rear PTO Not Calibrated | Full repair manual for code P06, Electronic Draft Control (EDC) / Rear PTO Controller |
| P0600 | — | Serial Communication Error | Full repair manual for code P0600 |
| P062F | — | Internal Control Module EEPROM Fault | Full repair manual for code P062F |
| P0685 | — | ECM/PCM Power Relay Fault | Full repair manual for code P0685 |
| P0685 | — | ECM/PCM Power Relay Control Circuit Open | Full repair manual for code P0685 |
| P0687 | — | ECM/PCM Power Fault | Full repair manual for code P0687 |
| P07 | Electronic Management Unit (EMU) / Transmission Microprocessor | Rear PTO Solenoid Over Current | Full repair manual for code P07, Electronic Management Unit (EMU) / Transmission Microprocessor |
| P08 | Electronic Management Unit (EMU) / Armrest controller | Rear PTO Solenoid Stuck Off | Full repair manual for code P08, Electronic Management Unit (EMU) / Armrest controller |
| P13 | Engine Control Unit (ECU) or Power Control Unit (PCU) | Test Shut Off Paths, Data Valid But Above Normal Range | Full repair manual for code P13, Engine Control Unit (ECU) or Power Control Unit (PCU) |
| P14 | Engine ECU | Test Shut Off Paths, Shorted To High Source | Full repair manual for code P14, Engine ECU |
| P15 | Transmission / Chassis Controller | Differential Lock Solenoid Stuck Off | Full repair manual for code P15, Transmission / Chassis Controller |
| P15 | Transmission / Drivetrain Control Module | Differential Lock Solenoid Stuck Off | Full repair manual for code P15, Transmission / Drivetrain Control Module |
| P16 | Engine Control Unit (ECU) / Electronic Management Unit | Differential lock solenoid stuck on (P16) / Shut-Off Signal, Shorted To High Source (T16) | Full repair manual for code P16, Engine Control Unit (ECU) / Electronic Management Unit |
| P16 | Tractor Electronic Management Unit (EMU) | Differential Lock Solenoid Stuck On | Full repair manual for code P16, Tractor Electronic Management Unit (EMU) |
| P17 | Electronic Management Unit (EMU) or Rear PTO / Drivetrain controller | Differential Lock Output Open Circuit | Full repair manual for code P17, Electronic Management Unit (EMU) or Rear PTO / Drivetrain controller |
| P17 | Rear PTO / Drivetrain Controller | Differential Lock Output Open Circuit | Full repair manual for code P17, Rear PTO / Drivetrain Controller |
| P18 | Electronic Management Unit | Differential Lock Driver Over Temperature | Full repair manual for code P18, Electronic Management Unit |
| P18 | Engine Control Module (ECM) | PCU Power Supply, Shorted To High Source | Full repair manual for code P18, Engine Control Module (ECM) |
| P19 | Engine Control Unit (ECU) / Engine Management System | Fuel Quantity Shut-Off, Data Valid But Above Normal Range | Full repair manual for code P19, Engine Control Unit (ECU) / Engine Management System |
| P1A | Electronic Engine Control Unit (ECU) or PTO/Hand Throttle Controller (XCM) | Fuel Quantity Shut-Off, Shorted To High Source | Full repair manual for code P1A, Electronic Engine Control Unit (ECU) or PTO/Hand Throttle Controller (XCM) |
| P1B | Engine Control Module (ECM) or Transmission / Electronic Draft Control (EDC) Controller | Voltage Monitoring, Data Valid But Below Normal Range | Full repair manual for code P1B, Engine Control Module (ECM) or Transmission / Electronic Draft Control (EDC) Controller |
| P1C | Transmission Controller / EDC (Electronic Draft Control) Monitoring Module | Voltage Monitoring, Data Incorrect | Full repair manual for code P1C, Transmission Controller / EDC (Electronic Draft Control) Monitoring Module |
| P1D | PCU / EDC | Voltage Monitoring, Data Valid But Above Normal Range | Full repair manual for code P1D, PCU / EDC |
