Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 115 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 17918 (F-3696-00) - ECU | Engine Control Unit (ECU) / Engine Control Module (ECM) | Number of manual catalyst management events requested via vehicle display exceeded the limit. | Full repair manual for code 17918 (F-3696-00) - ECU, Engine Control Unit (ECU) / Engine Control Module (ECM) |
| 17921 (F-520379-11) - ECU | Engine Control Module (ECM / ECU) | ECM internal failure - Safety Management Unit Alarm Group 2 Failure 30 issued | Full repair manual for code 17921 (F-520379-11) - ECU, Engine Control Module (ECM / ECU) |
| 17923 (F-519694-14) - ECU | ECM | Differential pressure sensor: hoseline connection failure only. | Full repair manual for code 17923 (F-519694-14) - ECU, ECM |
| 17933 (F-4781-00) - ECU | Engine ECU | Maximum catalyst soot mass exceeded | Full repair manual for code 17933 (F-4781-00) - ECU, Engine ECU |
| 17937 (F-522003-31) - ECU | Engine Control Unit (ECU) | Short to ground at the actuator power stage of the DEF/AdBlue return line heater | Full repair manual for code 17937 (F-522003-31) - ECU, Engine Control Unit (ECU) |
| 17942 (F-519044-14) - ECU | Engine Control Unit (ECU) | DEF/AdBlue dosing valve urea deposit accumulation at low temperature | Full repair manual for code 17942 (F-519044-14) - ECU, Engine Control Unit (ECU) |
| 17979 | Instrument Cluster (Service Display) / ECM | Engine rating not supported. | Full repair manual for code 17979, Instrument Cluster (Service Display) / ECM |
| 17980 | ECM or CCM | Antitampering checksum: no answer from Cluster | Full repair manual for code 17980, ECM or CCM |
| 17981 | Engine Control Module (ECM) | Antitampering checksum: checksum mismatch | Full repair manual for code 17981, Engine Control Module (ECM) |
| 17982 | Rear EHR (Electronic Hitch / Hydraulic Remote) Control Unit | Antitampering checksum: checksum mismatch (double value) | Full repair manual for code 17982, Rear EHR (Electronic Hitch / Hydraulic Remote) Control Unit |
| 18001 | Armrest Control Unit (ARU / Armrest) | Hand throttle #1 -voltage too low | Full repair manual for code 18001, Armrest Control Unit (ARU / Armrest) |
| 18002 | Armrest Controller (ARM) | Hand throttle #1 - voltage too high (New Holland Only) | Full repair manual for code 18002, Armrest Controller (ARM) |
| 18003 | Armrest Controller (ARM / Armrest ECU) | Hand throttle #2 - voltage too low | Full repair manual for code 18003, Armrest Controller (ARM / Armrest ECU) |
| 18004 | Armrest Controller (ARM) | Hand throttle #2 -voltage too high | Full repair manual for code 18004, Armrest Controller (ARM) |
| 18005 | Armrest controller | Engine droop control - voltage too low | Full repair manual for code 18005, Armrest controller |
| 18006 | Armrest | Engine droop control - voltage too high | Full repair manual for code 18006, Armrest |
| 18007 | Armrest Controller (GARU) | Multi-function handle - switch error | Full repair manual for code 18007, Armrest Controller (GARU) |
| 18008 | Armrest Control Unit | Multi-function handle -voltage too low | Full repair manual for code 18008, Armrest Control Unit |
| 18009 | Armrest Controller | Multi-function handle - voltage too high | Full repair manual for code 18009, Armrest Controller |
| 18010 | Armrest Controller (ARM) | Powershift throttle -voltage too low | Full repair manual for code 18010, Armrest Controller (ARM) |
| 18011 | Armrest | Powershift Throttle Voltage Too High | Full repair manual for code 18011, Armrest |
| 18012 | Armrest Controller | CVT mode switch error | Full repair manual for code 18012, Armrest Controller |
| 18013 | Armrest Control Unit (GARU) | Multi-function handle - encoder position error | Full repair manual for code 18013, Armrest Control Unit (GARU) |
| 18014 | Armrest control module (ARU) | Rear Hitch Position Control Potentiometer - Voltage Too Low | Full repair manual for code 18014, Armrest control module (ARU) |
| 18015 | Armrest Controller | Rear hitch position control potentiometer - voltage too high | Full repair manual for code 18015, Armrest Controller |
| 18016 | Armrest Control Module | Rear hitch draft control potentiometer - voltage too low | Full repair manual for code 18016, Armrest Control Module |
| 18017 | Armrest Control Module | Rear hitch draft control potentiometer - voltage too high. | Full repair manual for code 18017, Armrest Control Module |
| 18018 | Armrest Controller | Rear hitch height limit potentiometer - voltage too low | Full repair manual for code 18018, Armrest Controller |
| 18019 | Armrest Controller (ARM) | Rear hitch height limit potentiometer - voltage too high. | Full repair manual for code 18019, Armrest Controller (ARM) |
| 18020 | Armrest Controller (ARM) | Rear hitch drop rate potentiometer - voltage too low. | Full repair manual for code 18020, Armrest Controller (ARM) |
| 18021 | Armrest Controller | Rear hitch drop rate potentiometer - voltage too high. | Full repair manual for code 18021, Armrest Controller |
| 18022 | Armrest Controller | Rear hitch sensitivity control potentiometer - voltage too low | Full repair manual for code 18022, Armrest Controller |
| 18023 | Armrest Controller | Rear hitch sensitivity control potentiometer - voltage too high | Full repair manual for code 18023, Armrest Controller |
| 18024 | Armrest Controller (ARM / ARU) | EHR (Electro-Hydraulic Remote) flow encoder position error | Full repair manual for code 18024, Armrest Controller (ARM / ARU) |
| 18025 | Armrest Controller | Rear hitch slip control potentiometer - voltage too low. | Full repair manual for code 18025, Armrest Controller |
| 18026 | Armrest Controller (ACM - Armrest Control Module) | Rear hitch slip control potentiometer - voltage too high | Full repair manual for code 18026, Armrest Controller (ACM - Armrest Control Module) |
| 18027 | Armrest Control Module (ACM) | EHR 5 lever position - voltage too low (not applicable to CCM/APH _it may indicate incorrect configuration of the ACM) | Full repair manual for code 18027, Armrest Control Module (ACM) |
| 18028 | Armrest Control Module (ACM) | EHR 5 lever position - voltage too high | Full repair manual for code 18028, Armrest Control Module (ACM) |
| 18029 | Armrest Control Module (ACM) | EHR 6 lever position - voltage too low (not applicable to CCM/APH _it may indicate incorrect configuration of the ACM) | Full repair manual for code 18029, Armrest Control Module (ACM) |
| 18030 | Armrest Control Module (ACM) | EHR 6 lever position - voltage too high (not applicable to CCM/APH _it may indicate incorrect configuration of the ACM) | Full repair manual for code 18030, Armrest Control Module (ACM) |
| 18031 | ATC | Front Hitch Potentiometer Voltage High | Full repair manual for code 18031, ATC |
| 18032 | Armrest Controller | Front hitch position / pressure control potentiometer - voltage too low. | Full repair manual for code 18032, Armrest Controller |
| 18033 | Armrest Controller | Front hitch position / pressure mix potentiometer - voltage too high. | Full repair manual for code 18033, Armrest Controller |
| 18034 | Armrest Controller | Front Hitch Potentiometer Voltage Too Low | Full repair manual for code 18034, Armrest Controller |
| 18035 | Armrest Controller | Front hitch position height limit potentiometer - voltage too high | Full repair manual for code 18035, Armrest Controller |
| 18036 | Armrest Controller (ARM) | Front hitch position height limit potentiometer - voltage too low | Full repair manual for code 18036, Armrest Controller (ARM) |
| 18037 | Armrest (ARM) Controller | Front hitch height limit enable switch error | Full repair manual for code 18037, Armrest (ARM) Controller |
| 18038 | Armrest Controller (ARM) | Front hitch position drop rate potentiometer - voltage too high. | Full repair manual for code 18038, Armrest Controller (ARM) |
| 18039 | Armrest Controller (ARM) | Front hitch position drop rate potentiometer - voltage too low | Full repair manual for code 18039, Armrest Controller (ARM) |
| 18040 | Armrest Controller | EHR (remote valve) 1 lever position - voltage too low | Full repair manual for code 18040, Armrest Controller |
