Case IH fault codes & repair guides
All 9,847 codes· 50 per page · page 25 of 197
| Code | Controller | Issue summary | Repair manual |
|---|---|---|---|
| 2035 | Transmission Controller (TRANS) | Wheel speed too high | Full repair manual for code 2035, Transmission Controller (TRANS) |
| 2035 (518375.15) - DEC | Transmission Controller (Transmission ECU / TCU) | Dump Solenoid - short to 12V / short to high voltage / circuit fault | Full repair manual for code 2035 (518375.15) - DEC, Transmission Controller (Transmission ECU / TCU) |
| 2035 | Transmission Control Unit (TCU) / Transmission Controller | Dump Solenoid - Short to Ground or High Voltage | Full repair manual for code 2035, Transmission Control Unit (TCU) / Transmission Controller |
| 2036 | Transmission Control Module (TCM / TRANS) | Dump solenoid - open circuit | Full repair manual for code 2036, Transmission Control Module (TCM / TRANS) |
| 2036 (518375.05) - DEC | Transmission Control Unit (TCU) / PS ECM | Dump solenoid open circuit | Full repair manual for code 2036 (518375.05) - DEC, Transmission Control Unit (TCU) / PS ECM |
| 2036 | XCM (Multi-function Control Module) or Transmission Controller (Trans) | Engine speed (rpm) low | Full repair manual for code 2036, XCM (Multi-function Control Module) or Transmission Controller (Trans) |
| 2037 - UCM | Transmission Controller | Bottom of Clutch pedal switch open circuit or bottom of clutch relay is stuck open. | Full repair manual for code 2037 - UCM, Transmission Controller |
| 2037 | Transmission Controller (Trans) | Bottom of Clutch pedal switch open circuit or bottom of clutch relay is stuck open | Full repair manual for code 2037, Transmission Controller (Trans) |
| 2038 | Transmission Control Module (DR Module) | High range PWM valve - short to ground or high voltage (24x24) | Full repair manual for code 2038, Transmission Control Module (DR Module) |
| 2038 | Transmission Control Unit (TCU / TRANS) or Vehicle Drive Control (VDC2-TCU) | Clutch 4 solenoid or High range PWM valve - short to ground or high voltage | Full repair manual for code 2038, Transmission Control Unit (TCU / TRANS) or Vehicle Drive Control (VDC2-TCU) |
| 2039 | Transmission Control Module | High range PWM valve - open circuit (24x24) | Full repair manual for code 2039, Transmission Control Module |
| 2039 | Transmission Control Unit (TCU) | CLUTCH B SOLENOID VALVE OPEN CIRCUIT OR SHORT TO GROUND | Full repair manual for code 2039, Transmission Control Unit (TCU) |
| 2040 | MCM (Main Controller Module) / Transmission Controller | Inconsistent Range Lever Status Switches (R1 and R2) | Full repair manual for code 2040, MCM (Main Controller Module) / Transmission Controller |
| 2040 | Transmission Control Module | Low range PWM valve - short to ground or high voltage (24x24) | Full repair manual for code 2040, Transmission Control Module |
| 2040 | Transmission Control Unit (TCU) | Clutch 3 solenoid - short to ground or high voltage (16x16) or Low range PWM valve - short to ground or high voltage (24x24) | Full repair manual for code 2040, Transmission Control Unit (TCU) |
| 2041 | Transmission Control Module (TCU) | Clutch A solenoid valve open circuit or short to ground | Full repair manual for code 2041, Transmission Control Module (TCU) |
| 2041 | Transmission Control Module (TCU) / DR Module / DS Module | Open circuit in the transmission solenoid system | Full repair manual for code 2041, Transmission Control Module (TCU) / DR Module / DS Module |
| 2042 | Transmission Controller / ECU | Clutch 2 solenoid - short to ground or high voltage (16x16) | Full repair manual for code 2042, Transmission Controller / ECU |
| 2043 (5937.16) - DEC | Transmission Control Module (TCM) | Clutch B Pressure Sensor Data Valid But Above Normal Operating Range | Full repair manual for code 2043 (5937.16) - DEC, Transmission Control Module (TCM) |
| 2043 | Transmission Control Module (TCM) or main vehicle controller (XCM / Armrest Controller) | Pressure on clutch B would not decrease / Clutch 2 solenoid open circuit | Full repair manual for code 2043, Transmission Control Module (TCM) or main vehicle controller (XCM / Armrest Controller) |
| 2043 | Transmission Control Unit (TCU) | Clutch 2 solenoid - open circuit (16x16) | Full repair manual for code 2043, Transmission Control Unit (TCU) |
| 2044 | Transmission Controller (TCU / Transmission Control Unit) | Clutch 1 solenoid short circuit | Full repair manual for code 2044, Transmission Controller (TCU / Transmission Control Unit) |
| 2045 | Transmission Control Module (TCM) or Chassis Control Module (CCM) | Clutch 1 solenoid - open circuit | Full repair manual for code 2045, Transmission Control Module (TCM) or Chassis Control Module (CCM) |
| 2046 | Case Transmission | PTO Fuse Blown | Full repair manual for code 2046, Case Transmission |
| 2047 - UCM | Transmission Controller (TCM) or UCM (Universal Control Module) | Clutch pedal switch set too high | Full repair manual for code 2047 - UCM, Transmission Controller (TCM) or UCM (Universal Control Module) |
| 2047 | Transmission Controller (TRANS / TCU) | Clutch pedal bottom of clutch switch misadjusted. | Full repair manual for code 2047, Transmission Controller (TRANS / TCU) |
| 2048 | Transmission Controller (Trans) | Bottom of Clutch pedal switch or the bottom of clutch relay are short circuit | Full repair manual for code 2048, Transmission Controller (Trans) |
| 2048 | Transmission Control Module (TRANS / TCU) | Short Circuit in Bottom of Clutch (BOC) Switch or Relay | Full repair manual for code 2048, Transmission Control Module (TRANS / TCU) |
| 2048 - UCM | UCM / TRANS | Clutch pedal switch set too low | Full repair manual for code 2048 - UCM, UCM / TRANS |
| 2049 (191.04) - DEC | Transmission Controller (TCU) / DEC (Drive Electronic Controller) / CCM (Central Control Module) | Wheel speed (transmission output speed) sensor – short to ground or open circuit | Full repair manual for code 2049 (191.04) - DEC, Transmission Controller (TCU) / DEC (Drive Electronic Controller) / CCM (Central Control Module) |
| 2049 | Transmission Control Unit (TCU) | Wheel speed sensor short or open | Full repair manual for code 2049, Transmission Control Unit (TCU) |
| 2049 | TRANS (Transmission Controller / ECU) | Wheel speed sensor open circuit, short to ground or high voltage | Full repair manual for code 2049, TRANS (Transmission Controller / ECU) |
| 2050 | Case Transmission | Wheel speed (transmission output speed) sensor – short to 12V | Full repair manual for code 2050, Case Transmission |
| 2050 (191.03) - DEC | Transmission Electronic Control Module (Transmission ECM / TCU) | Wheel speed (transmission output speed) sensor – short to 12V / short to high voltage | Full repair manual for code 2050 (191.03) - DEC, Transmission Electronic Control Module (Transmission ECM / TCU) |
| 2051(177.03) - DEC | DEC | Transmission Oil Temperature Sensor Circuit Short to High Voltage or Open Circuit | Full repair manual for code 2051(177.03) - DEC, DEC |
| 2051 | Transmission Control Unit (TCU) | Oil temperature sensor - open circuit | Full repair manual for code 2051, Transmission Control Unit (TCU) |
| 2051 (177.03) | Transmission Control Unit (TCU) / Transmission Control Module (TCM) | Oil temperature sensor open circuit / Transmission Oil Temperature Sensor Circuit Failed Open or High | Full repair manual for code 2051 (177.03), Transmission Control Unit (TCU) / Transmission Control Module (TCM) |
| 2052 (177.04) - DEC | DEC, TCU, or INST | Transmission Oil Temperature Sensor - Short to Ground | Full repair manual for code 2052 (177.04) - DEC, DEC, TCU, or INST |
| 2052 | Transmission Controller (TRANS / TCU) or Instrumentation Controller (INST) | Oil temperature sensor - short circuit | Full repair manual for code 2052, Transmission Controller (TRANS / TCU) or Instrumentation Controller (INST) |
| 2053 | Transmission Control Module (TRANS / TCM) | 5 volt sensor reference - too high | Full repair manual for code 2053, Transmission Control Module (TRANS / TCM) |
| 2054 (3509.04) - DEC | DEC | Sensor Supply VS1 reference - voltage too low | Full repair manual for code 2054 (3509.04) - DEC, DEC |
| 2054 | Transmission Control Unit (TCU) | Sensor Supply VS1 - Signal wire shortcut to GND | Full repair manual for code 2054, Transmission Control Unit (TCU) |
| 2054 | Transmission Control Unit (TCU / Trans) | 5 volt reference voltage too low. | Full repair manual for code 2054, Transmission Control Unit (TCU / Trans) |
| 2055 | CCU (Central Control Unit) / Transmission Controller (ATC / Trans) | Voltage from Shuttle lever Fwd switch too high | Full repair manual for code 2055, CCU (Central Control Unit) / Transmission Controller (ATC / Trans) |
| 2055 | Transmission Controller (TRANS) | No signal from wheel speed sensor | Full repair manual for code 2055, Transmission Controller (TRANS) |
| 2055 (191.02) - DEC | Transmission Control Unit (TCU) | Wheel speed (transmission output speed) sensor – no signal | Full repair manual for code 2055 (191.02) - DEC, Transmission Control Unit (TCU) |
| 2056 | CCU (Chassis Control Unit) / Transmission Controller | Voltage from shuttle lever fwd switch too low | Full repair manual for code 2056, CCU (Chassis Control Unit) / Transmission Controller |
| 2056 | Transmission Controller (TCU / Trans) | 5 volt internal reference voltage too high. | Full repair manual for code 2056, Transmission Controller (TCU / Trans) |
| 2056 | Transmission Control Module (TCU) | Low Range switch open | Full repair manual for code 2056, Transmission Control Module (TCU) |
| 2057 | Transmission Controller | 5 Volt internal reference voltage is too low. | Full repair manual for code 2057, Transmission Controller |
