The SAE J1939 DBC file contains decoding rules for converting raw J1939 data to 'physical values' (Mph, %, etc.). This file lets you easily decode data from heavy duty vehicles (trucks, buses, tractors, etc.). This DBC file download includes: An SAE J1939 DBC file with ~1800+ PGNs and 12000+ SPNs One legal license (1 user, 1 PC) matching the DA license DECODE J1939: Convert J1939 data in wide range of software/API tools 1800+ PGNs: The extensive DBC contains 1800+ PGNs and 12000+ SPNs REVIEW FIRST: Use our CAN ID converter to check if your PGNs are covered CROWD INPUT: Benefit from free corrections based on large user base SAVE HOURS: Avoid manually constructing the DBC file from scratch What is a DBC file? A DBC file is a standardized method for storing the "rules" on how to interpret raw CAN bus data. In particular, it contains details on what 'signals' (e.g. RPM, Vehicle Speed, …) are contained within which 'messages' (i.e. CAN IDs).
2013SAE J1939DA-2013 Digital Annex of Serial Control and Communication Heavy Duty Vehicle Network Data-Jul2013 (See Also SAE J1939; Includes Access to Additional Content)