Dbc File Format Documentation 'link' May 2026

BU_: ECU_Powertrain ECU_Body Gateway DiagnosticTool

BO_ 100 VehicleSpeed: 8 ECU_Powertrain SG_ Speed : 0|16@0+ (0.01,0) [0|300] "km/h" Gateway,DiagnosticTool SG_ Direction : 16|2@0+ (1,0) [0|3] "" Gateway dbc file format documentation

BA_ “AttrName” OBJECT_TYPE object_id value; Examples: 0) [0|300] "km/h" Gateway

NS_ : NS_DESC_ CM_ BA_DEF_ BA_ VAL_ CAT_ FILTER BA_DEF_DEF_ EV_DATA_ ENVVAR_DATA_ SGTYPE_ SGTYPE_VAL_ BA_DEF_SGTYPE_ BA_SGTYPE_ SIG_TYPE_REF_ VAL_TABLE_ SIG_GROUP_ SIG_VALTYPE_ SIGTYPE_VALTYPE_ BO_TX_BU_ BA_DEF_REL_ BA_REL_ BA_DEF_DEF_REL_ BU_SG_REL_ BU_EV_REL_ BU_BO_REL_ SG_MUL_VAL_ You can safely copy this exact list. Usually empty: DiagnosticTool SG_ Direction : 16|2@0+ (1

CM_ "BU_ ECU_EMS" "Engine control module"; CM_ "BO_ 100" "Main engine data"; CM_ "SG_ 100 EngineSpeed" "Engine rotational speed"; Attributes allow extending the database with user‑defined metadata. BA_DEF_ – Define an attribute Syntax:

BU_: node1 node2 ... ;

BS_: ;