Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 22 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 1802 | ISM-IDI Engine Controller | DPF Exhaust Temperature Sensor Out Of Range Low | Full repair manual for code 1802, ISM-IDI Engine Controller |
| 1803 | ISM-IDI Engine Controller | DPF Exhaust Temperature Sensor Out Of Range High | Full repair manual for code 1803, ISM-IDI Engine Controller |
| 1804 | Engine Control Unit (ECU) / ISM-IDI | ISM-IDI High DPF Intake temperature | Full repair manual for code 1804, Engine Control Unit (ECU) / ISM-IDI |
| 1805 | ISM-IDI | ISM-IDI High DOC Intake temperature | Full repair manual for code 1805, ISM-IDI |
| 1806 | ENGINE Control Module (Engine ECU) | ISM-IDI High DPF Exhaust temperature | Full repair manual for code 1806, ENGINE Control Module (Engine ECU) |
| 1807 | Engine Control Unit (ECU) / ISM-IDI Engine Controller | ISM-IDI Aftertreatment Burner Glow Voltage Low | Full repair manual for code 1807, Engine Control Unit (ECU) / ISM-IDI Engine Controller |
| 1808 | ENGINE | Aftertreatment Burner Glow Voltage High | Full repair manual for code 1808, ENGINE |
| 1809 | Engine Controller (ECU) | ISM-IDI Aftertreatment Burner Glow Voltage Out Of Range High | Full repair manual for code 1809, Engine Controller (ECU) |
| 1816 | Engine Control Unit (Engine ECU) / ISM-DI ENGINE | Capacitor Charge-up Circuit Malfunction (Insufficient Charge) | Full repair manual for code 1816, Engine Control Unit (Engine ECU) / ISM-DI ENGINE |
| 1817 | ENGINE | Capacitor Charge-up Circuit Malfunction (Excessive Charge) | Full repair manual for code 1817, ENGINE |
| 1818 | Engine Control Unit (ECU) | ECU Watchdog fault | Full repair manual for code 1818, Engine Control Unit (ECU) |
| 1819 | Engine Control Unit (ECU) / Engine Controller | ISM-IDI Engine overspeed | Full repair manual for code 1819, Engine Control Unit (ECU) / Engine Controller |
| 1822 | ISM-IDI | ISM-IDI Crank Speed Sensor Low Voltage | Full repair manual for code 1822, ISM-IDI |
| 1823 | Engine Control Module (ECM) | ISM-IDI Camshaft Speed Sensor Low Voltage | Full repair manual for code 1823, Engine Control Module (ECM) |
| 1824 | Engine Control Unit (ECU) / Engine Controller | ISM-IDI Diesel Particulate Filter High Soot Load | Full repair manual for code 1824, Engine Control Unit (ECU) / Engine Controller |
| 1883-00 - DEC | DEC | Rear PTO Output Shaft Speed - Data Valid But Above Normal Operating Range | Full repair manual for code 1883-00 - DEC, DEC |
| 1883-03 - DEC | DEC | Rear PTO shaft speed sensor electrical circuit fault voltage above normal | Full repair manual for code 1883-03 - DEC, DEC |
| 1883-04 - DEC | DEC | Rear PTO shaft speed sensor electrical circuit fault voltage below normal | Full repair manual for code 1883-04 - DEC, DEC |
| 1888-05 - UCM | UCM | Front PTO solenoid current low | Full repair manual for code 1888-05 - UCM, UCM |
| 1888-06 - UCM | UCM | Front Power Take Off (PTO) Engagement / Front PTO Solenoid - Current High | Full repair manual for code 1888-06 - UCM, UCM |
| 1900 | VCM (Vehicle Control Module) / UCM (Universal Control Module) | VCM Ground Fault | Full repair manual for code 1900, VCM (Vehicle Control Module) / UCM (Universal Control Module) |
| 1901 | VCM / UCM | VCM - VCM Supply Voltage High | Full repair manual for code 1901, VCM / UCM |
| 1902 | VCM | VCM - VCM Supply Voltage Low | Full repair manual for code 1902, VCM |
| 1903 | VCM (Vehicle Control Module) | VCM - VCM Supply Voltage Below Operational Limit | Full repair manual for code 1903, VCM (Vehicle Control Module) |
| 1904 | VCM (Vehicle Control Module) / UCM (Universal Control Module) | VCM - Rail 12VB - 5V Regulators Supply Input Power Off | Full repair manual for code 1904, VCM (Vehicle Control Module) / UCM (Universal Control Module) |
| 1905 | UCM / VCM | 5Vref1 Sensor Supply Voltage Out Of Range | Full repair manual for code 1905, UCM / VCM |
| 1906 | VCM / UCM | VCM - 5Vref3 Sensor Supply Voltage Out Of Range | Full repair manual for code 1906, VCM / UCM |
| 1907 | VCM / UCM | VCM - Rail 12VF1 - Aux Retract Input Power Off | Full repair manual for code 1907, VCM / UCM |
| 1907-14 - UCM | UCM | At least one pilot head not assigned to location | Full repair manual for code 1907-14 - UCM, UCM |
| 1908 | VCM | VCM - Rail 12VF2 - Bucket Extend Input Power Off | Full repair manual for code 1908, VCM |
| 1909 | VCM / UCM | VCM - Rail 12VF3 - Boom Raise/Lower Input Power Off | Full repair manual for code 1909, VCM / UCM |
| 1910 | VCM (Vehicle Control Module) | VCM - Rail 12VH - Loader Pilot Interlock And Port Lock Input Power Off | Full repair manual for code 1910, VCM (Vehicle Control Module) |
| 1911 | VCM / UCM | VCM - Rail 12VH1 - Left And Right Pump Reverse Input Power Off. | Full repair manual for code 1911, VCM / UCM |
| 1912 | VCM | VCM - Rail 12VM - Left And Right Brake Lights And Aux Extend Input Power Off | Full repair manual for code 1912, VCM |
| 1913 | VCM / UCM | VCM - Rail 12VS1 - Bucket Curl Input Power Off | Full repair manual for code 1913, VCM / UCM |
| 1914 | VCM | VCM - Rail 12VS2 - Backup Alarm Input Power Off | Full repair manual for code 1914, VCM |
| 1915 | VCM | VCM - Rail 12VT1 - Two Speed Input Power Off | Full repair manual for code 1915, VCM |
| 1916 | VCM / UCM | VCM / UCM - Rail 12VU1 - Right And Left Pumps Forward Input Power Off | Full repair manual for code 1916, VCM / UCM |
| 1917 | VCM (Vehicle Control Module) / UCM (Universal Control Module) | VCM - Rail 12VU2 - Park Brake Solenoid Input Power Off | Full repair manual for code 1917, VCM (Vehicle Control Module) / UCM (Universal Control Module) |
| 1919-00 - UCM | UCM | At least one pilot head not assigned to location / Rear pilot head #1 actuator temperature high | Full repair manual for code 1919-00 - UCM, UCM |
| 1919-04 - UCM | UCM | Rear pilot head #1 reporting supply voltage low | Full repair manual for code 1919-04 - UCM, UCM |
| 1919-07 - UCM | UCM | Rear pilot head #1 reporting that the spool valve is stuck | Full repair manual for code 1919-07 - UCM, UCM |
| 1919-08 - UCM | UCM | Rear pilot head #1 failed to initialize | Full repair manual for code 1919-08 - UCM, UCM |
| 1919-09 - UCM | UCM | Rear pilot head #1 unexpected reset | Full repair manual for code 1919-09 - UCM, UCM |
| 1919-13 - UCM | UCM (Universal Control Module) | Rear pilot head #1 reporting that spool valve position sensor is not calibrated | Full repair manual for code 1919-13 - UCM, UCM (Universal Control Module) |
| 1919-19 - UCM | UCM | Rear pilot head #1 reporting communication fault with vehicle controller | Full repair manual for code 1919-19 - UCM, UCM |
| 1920-02 - UCM | UCM | Vehicle controller loss of communication with rear pilot head #1 | Full repair manual for code 1920-02 - UCM, UCM |
| 1931-02 - UCM | UCM | High temperature in the actuator of rear pilot head #2 | Full repair manual for code 1931-02 - UCM, UCM |
| 1931-03 - UCM | UCM | Rear Pilot Head #2 supply voltage high | Full repair manual for code 1931-03 - UCM, UCM |
| 1931-04 - UCM | UCM | Rear pilot head #2 reporting supply voltage low | Full repair manual for code 1931-04 - UCM, UCM |