List of fault codes for Case Machinery wheel loaders
Use this fault code chart to check what it means, then look at the service manual and operator manual on this website by doing a site search for help in diagnosing and fixing the fault code problem.
| CODE | DEFINITION |
| 12110 | Engine coolant temperature is 110° C (230° F) or greater |
| 12900 | Engine coolant temperature sensor short circuit measuring less than 50 ohms. |
| 12901 | Engine coolant temperature sensor open circuit measuring greater than 10,000 ohms with hydraulic oil temperature at 40° C (104° F) or more, indicated by the resistance of 1463 ohms or less. |
| 13000 | Low engine coolant level – This code will not be generated if the engine coolant temperature is below 20° C (68° F). |
| 21070 | Engine oil pressure is measured below 70 kPa (10 psi) |
| 21900 | Engine oil pressure sensor short circuit measuring less than 16 ohms and engine coolant temperature is greater than or equal to 70° C (158° F). |
| 21901 | The engine oil pressure sensor open circuit measuring more than 270 ohms. |
| 33900 | Fuel level sender short circuit measuring less than 16 ohms. |
| 34000 | Short circuit in the fuel solenoid circuit |
| 35000 | High air filter restriction |
| 42125 | Transmission temperature measured above 125° C (257° F) |
| 45000 | High transmission filter restriction when the transmission oil is above 20° C (68° F) |
| 46017 | Gear range fault error |
| 46018 | Logical error at direction select signal |
| 46020 | Logical faults at park brake status |
| 46021 | Logical error at FNR switch |
| 46023 | Short circuit to ground at ride control |
| 46024 | Short circuit to battery voltage at ride control |
| 46025 | Open circuit at ride control |
| 46037 | Short circuit to battery voltage or open circuit at temperature sensor |
| 46038 | Short circuit to ground at the temperature sensor |
| 46039 | Short circuit to battery voltage or open circuit at converter output temperature sensor |
| 46040 | Short circuit to ground at converter output temperature sensor |
| 46049 | Short circuit to battery voltage or open circuit at the engine speed sensor |
| 46050 | Short circuit to ground at engine speed sensor |
| 46051 | Logical error at engine speed sensor input |
| 46052 | Short circuit to battery voltage or open circuit at turbine speed sensor input |
| 46053 | Short circuit to ground at turbine speed sensor input |
| 46054 | Logical error at turbine speed sensor input |
| 46055 | Short circuit to battery voltage or open circuit at the intermediate speed sensor input |
| 46056 | Short circuit to ground at intermediate speed input |
| 46057 | Logical error at the intermediate speed sensor input |
