Caterpillar Fault Codes

Complete Caterpillar fault codes database with J1939 and CAN diagnostic trouble codes. Professional diagnostics for heavy equipment—excavators, loaders, and trucks—with engine and transmission error solutions.


Caterpillar engine diagnostic fault codes CID – part 1

22.11.2023

Reference information for self-troubleshooting for Caterpillar machines equipped with an electronic self-diagnosis and engine management system. Diagnostic codes are used to find and fix faulty parts in....

Caterpillar engine diagnostic fault codes CID – part 2

22.11.2023

Reference information for self-troubleshooting for Caterpillar machines equipped with an electronic self-diagnosis and engine management system. Diagnostic codes are used to find and fix faulty....

Diagnostic fault codes FMI – engine Caterpillar

22.11.2023

FMI is a diagnostic fault code, it indicates the type of failure. Diagnostic type trouble codes (FMI) FMI fault code 0 Data are reliable, but not too....

Engine Caterpillar – Diagnostic Fault Codes MID

22.11.2023

Diagnostic codes are used to find and fix faulty parts in the repair of Caterpillar engines. (MID) is the diagnostic code, it indicates the electronic....