Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 24 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 1991-08 - UCM | UCM | Rear pilot head #7 failed to initialize | Full repair manual for code 1991-08 - UCM, UCM |
| 1991-09 - UCM | UCM | Aux Valve 7 Port Flow Command | Full repair manual for code 1991-09 - UCM, UCM |
| 1991-11 - UCM | UCM | Rear pilot head #7 - spool not in neutral at power-on | Full repair manual for code 1991-11 - UCM, UCM |
| 1991-12 - UCM | UCM | Rear pilot head #7 is reporting an internal controller fault | Full repair manual for code 1991-12 - UCM, UCM |
| 1991-13 - UCM | UCM | Auxiliary Valve 7 (Rear remote #7) spool valve position sensor is out of calibration | Full repair manual for code 1991-13 - UCM, UCM |
| 1991-19 - UCM | UCM | Rear pilot head #7 reporting communication fault with vehicle controller | Full repair manual for code 1991-19 - UCM, UCM |
| 1992-02 - UCM | UCM | Lost CAN bus communication with rear hydraulic remote valve #7 pilot head | Full repair manual for code 1992-02 - UCM, UCM |
| 2000 | DCU (Dosing Control Unit), Engine ECU, TCU (Transmission Control Unit), EPC (Electronic PowrQuad Controller), or APC | Group error path NOx exceeded – NOx Trap Efficiency Below Threshold | Full repair manual for code 2000, DCU (Dosing Control Unit), Engine ECU, TCU (Transmission Control Unit), EPC (Electronic PowrQuad Controller), or APC |
| 2001 | TECU | Transmission Enable Relay Shorted to Power | Full repair manual for code 2001, TECU |
| 2001 | Transmission Control Unit (TCU) or Armrest / Vehicle Control Module | N' - Shuttle too fast error | Full repair manual for code 2001, Transmission Control Unit (TCU) or Armrest / Vehicle Control Module |
| 2002 | Transmission Control Unit (TCU) | Flashing 'N' Error | Full repair manual for code 2002, Transmission Control Unit (TCU) |
| 2003 | Transmission Controller (TRANS) or general chassis/tractor controller | Clutch pedal required | Full repair manual for code 2003, Transmission Controller (TRANS) or general chassis/tractor controller |
| 2004 | Transmission ECU (TRANS) or Armrest/Instrumentation Controller | P' - Handbrake error | Full repair manual for code 2004, Transmission ECU (TRANS) or Armrest/Instrumentation Controller |
| 2005 (518277.02) - DEC | Transmission Controller | Creeper engage fault | Full repair manual for code 2005 (518277.02) - DEC, Transmission Controller |
| 2005 | Transmission Controller (TCU) | Creeper selection error | Full repair manual for code 2005, Transmission Controller (TCU) |
| 2006 | Instrument Cluster Unit (ICU) or Transmission/Armrest Controller | Radar no signal fault | Full repair manual for code 2006, Instrument Cluster Unit (ICU) or Transmission/Armrest Controller |
| 2009 | Transmission Controller (Trans) | Seat switch open circuit | Full repair manual for code 2009, Transmission Controller (Trans) |
| 2009 - UCM | UCM | Seat switch input - voltage too low | Full repair manual for code 2009 - UCM, UCM |
| 2010 | Transmission Controller (Trans) | Seat switch is shorted to the supply voltage B+ or 5 volt reference | Full repair manual for code 2010, Transmission Controller (Trans) |
| 2010 - UCM | UCM | Seat switch input - voltage too high | Full repair manual for code 2010 - UCM, UCM |
| 2011 | Transmission Controller (Trans) | Clutch Pot Open Circuit or short to ground | Full repair manual for code 2011, Transmission Controller (Trans) |
| 2011 - UCM | UCM | Clutch pedal potentiometer – voltage too low | Full repair manual for code 2011 - UCM, UCM |
| 2012 | TRANS (Transmission Controller) | Master Clutch Potentiometer Short to +12 Volts or short to 5 Volt reference | Full repair manual for code 2012, TRANS (Transmission Controller) |
| 2012 - UCM | UCM | Clutch pedal potentiometer - voltage too high | Full repair manual for code 2012 - UCM, UCM |
| 2013 | Transmission Controller | Upshift and downshift buttons pressed at same time. | Full repair manual for code 2013, Transmission Controller |
| 2014 | TRANS (Transmission) Controller | Switch 4 / 5 error (not used) | Full repair manual for code 2014, TRANS (Transmission) Controller |
| 2015 | Transmission Controller | High and low range switches both closed | Full repair manual for code 2015, Transmission Controller |
| 2015 | Transmission Controller (Trans / TCU) | VOLTAGE FROM THE GEAR NEUTRAL POSITION SWITCH IS LOW | Full repair manual for code 2015, Transmission Controller (Trans / TCU) |
| 2016 | Transmission / Chassis control module | Creeper Solenoid Short circuit | Full repair manual for code 2016, Transmission / Chassis control module |
| 2016 | Transmission Control Module (TCU) or Chassis Controller | Creeper solenoid short to ground or high voltage | Full repair manual for code 2016, Transmission Control Module (TCU) or Chassis Controller |
| 2016 (517960.06) | Transmission Control Unit (TCU / TRANS) or Chassis/Armrest controller | Creeper Solenoid Short circuit | Full repair manual for code 2016 (517960.06), Transmission Control Unit (TCU / TRANS) or Chassis/Armrest controller |
| 2017 | Transmission Controller (TCU) | VOLTAGE FROM THE RANGE POSITION SWITCH (R1) IS LOW | Full repair manual for code 2017, Transmission Controller (TCU) |
| 2018 | Armrest Control Module (ARM) or Electronic Hydraulic Remote (EHR) Controller | Voltage from R2 switch too high | Full repair manual for code 2018, Armrest Control Module (ARM) or Electronic Hydraulic Remote (EHR) Controller |
| 2019 | Transmission Control Module (TRANS / TCU) | Voltage from the range position switch (R2) is low | Full repair manual for code 2019, Transmission Control Module (TRANS / TCU) |
| 2021 | Transmission Control Unit (TCU) or Chassis Controller | Chassis Harness Error / Transmission connector disconnected | Full repair manual for code 2021, Transmission Control Unit (TCU) or Chassis Controller |
| 2021 | Transmission Control Unit (TCU) or Vehicle Control Unit (VCU) / Cab Controller | Chassis Harness Error / Chassis harness disconnected | Full repair manual for code 2021, Transmission Control Unit (TCU) or Vehicle Control Unit (VCU) / Cab Controller |
| 2024 (518386.13) - DEC | Transmission Control Unit (TCU / Trans) | All clutches not calibrated | Full repair manual for code 2024 (518386.13) - DEC, Transmission Control Unit (TCU / Trans) |
| 2024 | Transmission Control Unit (TCU / TRANS) | None of the transmission clutches are calibrated. | Full repair manual for code 2024, Transmission Control Unit (TCU / TRANS) |
| 2025 (519407.13) - DEC | DEC (Driveline Electronic Controller) | All synchros not calibrated | Full repair manual for code 2025 (519407.13) - DEC, DEC (Driveline Electronic Controller) |
| 2025 | Transmission Control Unit (TCU), User Control Module (UCM), or Engine Controller (ENG) | Engine speed too high | Full repair manual for code 2025, Transmission Control Unit (TCU), User Control Module (UCM), or Engine Controller (ENG) |
| 2026 | TCU | Engine Speed Too High | Full repair manual for code 2026, TCU |
| 2026 | Transmission Controller (TCU) / Chassis Control Module (CCM) | Clutch D not calibrated | Full repair manual for code 2026, Transmission Controller (TCU) / Chassis Control Module (CCM) |
| 2027 | Transmission Control Module (TCU) | CLUTCH C NOT CALIBRATED | Full repair manual for code 2027, Transmission Control Module (TCU) |
| 2027 | Transmission Control Module (TCU / ATC) or Tractor Management Frame (TMF) / Armrest controller | Engine speed too low / Engine speed - no signal | Full repair manual for code 2027, Transmission Control Module (TCU / ATC) or Tractor Management Frame (TMF) / Armrest controller |
| 2028 (517966.13) - DEC | Transmission Control Unit (TCU) | Clutch B not calibrated | Full repair manual for code 2028 (517966.13) - DEC, Transmission Control Unit (TCU) |
| 2029 | Transmission Controller (TCU) / Electronic Transmission Control (ETC) | Clutch A not calibrated | Full repair manual for code 2029, Transmission Controller (TCU) / Electronic Transmission Control (ETC) |
| 2029 (517967.13) - DEC | Transmission Control Unit (TCU) | Clutch B not calibrated | Full repair manual for code 2029 (517967.13) - DEC, Transmission Control Unit (TCU) |
| 2030 | Transmission Controller (TRANS) | Critical Code on Transmission | Full repair manual for code 2030, Transmission Controller (TRANS) |
| 2033 (123.16) - DEC | Transmission Control Unit (TCU) | Pressure on Clutch A would not decrease | Full repair manual for code 2033 (123.16) - DEC, Transmission Control Unit (TCU) |
| 2034 (518375.04) - DEC | Transmission Control Unit (TCU) or Electronic Control Module (ECM) | Dump solenoid - short to ground | Full repair manual for code 2034 (518375.04) - DEC, Transmission Control Unit (TCU) or Electronic Control Module (ECM) |
