Here is the complete list of Caterpillar error codes.
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| PID/SID | FMI | Fault | Description | Troubleshooting |
| 1 | 11 | injector solenoid, cylinder #1 | current below normal or open | See complete solution |
| 2 | 11 | injector solenoid, cylinder #2 | current below normal or open | See complete solution |
| 3 | 11 | injector solenoid, cylinder #3 | current below normal or open | See complete solution |
| 4 | 11 | injector solenoid, cylinder #4 | current below normal or open | See complete solution |
| 5 | 11 | injector solenoid, cylinder #5 | current below normal or open | See complete solution |
| 6 | 11 | injector solenoid, cylinder #6 | current below normal or open | See complete solution |
| 22 | 13 | ECU | speed signal calibration not performed | See complete solution |
| 30 | 8 | PTO | Invalid power take-off accelerator signal | See complete solution |
| 30 | 13 | PTO | Power take-off accelerator signal outside calibration flash codes | See complete solution |
| 32 | 5 | turbo wastegate solenoid | current below normal | See complete solution |
| 32 | 6 | turbo wastegate solenoid | current above normal or shorted to ground | See complete solution |
| 32 | 11 | turbo wastegate solenoid | current offset | See complete solution |
| 41 | 3 | 8 Volt Power Supply | voltage above normal or shorted | See complete solution |
| 41 | 4 | 8 Volt Power Supply | voltage below normal or open circuit | See complete solution |
| 42 | 11 | Injection Actuation Pump | output failure | See complete solution |
| 43 | 2 | ECU | key switch | See complete solution |
| 64 | 2 | speed sensor | signal loss | See complete solution |
| 64 | 11 | speed sensor | erratic data signal | See complete solution |
| 70 | 5 | intake heater | current below normal | See complete solution |
| 70 | 6 | intake heater | current above normal or shorted to ground | See complete solution |
| 71 | 1 | idle | idle shutdown | See complete solution |
| 71 | 14 | PTO | Power Take-Off Shutdown | See complete solution |
| 84 | 0 | vehicle speed sensor | overspeed warning | See complete solution |
| 84 | 1 | vehicle speed sensor | signal loss | See complete solution |
| 84 | 2 | vehicle speed sensor | erratic/incorrect data signal | See complete solution |
| 84 | 8 | vehicle speed sensor | signal outside normal range | See complete solution |
| 84 | 10 | vehicle speed sensor | abnormal rate of change | See complete solution |
| 84 | 14 | vehicle speed sensor | fast stop event | See complete solution |
| 91 | 8 | throttle position | invalid signal | See complete solution |
| 91 | 13 | throttle position | out of calibration | See complete solution |
| 94 | 1 | fuel pressure | low fuel pressure | See complete solution |
| 94 | 3 | fuel pressure | voltage above normal | See complete solution |
| 94 | 4 | fuel pressure | voltage below normal | See complete solution |
| 94 | 11 | fuel pressure | low fuel pressure at startup | See complete solution |
| 96 | 3 | fuel level | voltage above normal | See complete solution |
| 96 | 4 | fuel level | voltage below normal | See complete solution |
| 100 | 1 | oil pressure sensor | low pressure warning | See complete solution |
| 100 | 3 | oil pressure sensor | voltage above normal | See complete solution |
| 100 | 4 | oil pressure sensor | voltage below normal | See complete solution |
| 100 | 11 | oil pressure sensor | very low oil pressure | See complete solution |
| 102 | 1 | intake fluid pressure sensor | low boost pressure | See complete solution |
| 102 | 3 | intake fluid pressure sensor | voltage above normal or shorted | See complete solution |
| 102 | 4 | intake fluid pressure sensor | voltage below normal or open circuit | See complete solution |
| 102 | 2 | intake fluid pressure sensor | data does not match current conditions | See complete solution |
| 102 | 7 | intake fluid pressure sensor | does not respond | See complete solution |
| 105 | 3 | intake fluid temperature sensor | voltage above normal or shorted | See complete solution |
| 105 | 4 | intake fluid temperature sensor | voltage below normal or open circuit | See complete solution |
| 105 | 0 | intake fluid temperature sensor | temperature above protection limit | See complete solution |
| 105 | 11 | intake fluid temperature sensor | very high intake air temperature | See complete solution |
| 108 | 3 | barometric pressure sensor | voltage above normal or shorted | See complete solution |
| 108 | 4 | barometric pressure sensor | voltage below normal or open circuit | See complete solution |
| 108 | 2 | barometric pressure sensor | erratic/incorrect data signal | See complete solution |
| 110 | 3 | coolant temperature sensor | voltage above normal or shorted | See complete solution |
| 110 | 4 | coolant temperature sensor | voltage below normal or open circuit | See complete solution |
| 110 | 0 | coolant temperature sensor | temperature above normal | See complete solution |
| 110 | 11 | coolant temperature sensor | very high coolant temperature | See complete solution |
| 111 | 2 | coolant level sensor | invalid signal | See complete solution |
| 111 | 3 | coolant level sensor | voltage above normal or shorted | See complete solution |
| 111 | 4 | coolant level sensor | voltage below normal or open circuit | See complete solution |
| 111 | 1 | coolant level sensor | level below normal | See complete solution |
| 111 | 11 | coolant level sensor | very low coolant level | See complete solution |
| 128 | 3 | secondary fuel level | voltage below normal or open circuit | See complete solution |
| 128 | 4 | secondary fuel level | voltage above normal or shorted | See complete solution |
| 164 | 2 | injection actuation pressure | erratic signal | See complete solution |
| 164 | 3 | injection actuation pressure | voltage above normal | See complete solution |
| 164 | 4 | injection actuation pressure | voltage below normal | See complete solution |
| 164 | 0 | injection actuation pressure | excessive pressure | See complete solution |
| 164 | 11 | injection actuation pressure | system failure | See complete solution |
| 168 | 2 | ECM Failure | intermittent power supply voltage | See complete solution |
| 168 | 1 | ECM Failure | low power supply voltage | See complete solution |
| 168 | 0 | ECM Failure | high power supply voltage | See complete solution |
| 173 | 0 | exhaust temperature | derate for high exhaust temperature | See complete solution |
| 173 | 11 | exhaust temperature | derate for very high exhaust temperature | See complete solution |
| 186 | 4 | PTO | PTO Stop Switch Voltage Low | See complete solution |
| 186 | 14 | PTO | Power Take-Off Stop Switch Occurrence | See complete solution |
| 190 | 0 | engine speed | overspeed warning | See complete solution |
| 190 | 2 | engine speed | data signal loss | See complete solution |
| 190 | 11 | engine speed | erratic signal | See complete solution |
| 224 | 11 | theft deterrent | active signal | See complete solution |
| 224 | 14 | theft deterrent | active signal during startup | See complete solution |
| 231 | 2 | J1939 Data | incorrect J1939 data | See complete solution |
| 231 | 11 | J1939 Data | J1939 Configuration | See complete solution |
| 231 | 12 | J1939 Data | data signal loss | See complete solution |
| 231 | 14 | J1939 Data | Transmission Data Link Derate | See complete solution |
| 232 | 3 | 5 volt power supply | voltage above normal | See complete solution |
| 232 | 4 | 5 volt power supply | voltage below normal | See complete solution |
| 232 | 3 | sensor supply | voltage above normal or shorted | See complete solution |
| 232 | 4 | sensor supply | voltage below normal or open circuit | See complete solution |
| 246 | 11 | brake pedal switch 1
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