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Visit the siteTruckCodeLookup
Diagnostic-code lookup (OBD-II, J1939) for cars and trucks.
TruckCodeLookup finds the meaning of a fault code for cars, SUVs, heavy trucks (J1939 SPN/FMI) or diesel/RVs, by code or by symptom, with a VIN decoder wired to the official NHTSA database.
The challenge
Give mechanics and owners fast, reliable access to what a diagnostic code actually means.
The approach
Fast search by code or symptom on a structured database, NHTSA VIN decoder, and a bilingual, mobile-first UI for the shop floor.
The result
A quick reference tool that cuts diagnostic time in the field.