The database covers 142 dealer codes — Caterpillar uses its own factory format, outside the J1939 SPN/FMI standard. A few examples below; look up your own code in the search on the homepage, where you can also pick “Caterpillar” from the brand list.
| 1.11 | Injector Solenoid, Cylinder #1 — current below normal or open circuit |
| 32.11 | Turbocharger Wastegate Solenoid — current mismatch |
| 70.5 | Intake Air Heater — current below normal |
| 91.13 | Throttle Position — out of calibration |
| 100.11 | Engine Oil Pressure Sensor — engine oil pressure very low |
| 105.3 | Intake Manifold Air Temperature Sensor — voltage above normal or shorted high |
| 111.1 | Engine Coolant Level Sensor — level below normal |
| 164.3 | Injection Actuation Pressure — voltage above normal |
| 190.0 | Engine Speed — overspeed warning |
| 247.11 | Brake Pedal Switch #2 — switch not responding |
| 315.2 | Clean Gas Induction (CGI) — CGI temperature high |
| 320.0 | Aftertreatment — aftertreatment filter temperature high |
| 324.3 | Aftertreatment — aftertreatment differential pressure voltage above normal |
| 334.5 | Aftertreatment Fuel Supply Actuator — ARD solenoid current below normal |
| 349.1 | Aftertreatment Purge Air Actuator — ARD purge air pressure low |
Know the code number? Type it into the search — or paste the whole list from the scanner and we will show which fault is the real one.