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Reference · plant & earthmoving
1799 codes across 7 engine families, each with the manufacturer’s own description, grouped by subsystem. Free to use, no sign-up.
These lists tell you what a controller measured. They do not replace the manufacturer’s diagnostic procedure, and they are not a repair manual for your machine.
Loaders & excavators
1333 codes· alphanumeric OEM code
V-series CR / Tier 4
104 codes· alphanumeric OEM code
PowerTech / Tier 3-4
103 codes· SPN.FMI (SAE J1939)
EC series / E-ECU and V-ECU
91 codes· OEM code
PC-8 series / engine CA codes
84 codes· alphanumeric OEM code
SY series excavators
59 codes· alphanumeric OEM code
Dieselmax / Tier 4
25 codes· alphanumeric OEM code