SPN Specified Source Setup
Settings > Engine Diagnostics > SPN Specified Source Setup
EquipmentAll machines used as a means of production on a construction site or at a batch plant. typically contains multiple engine control units (ECUs) that might report with the same Suspect Parameter Number (SPN) codes, but contain different values. This screen allows you to specify which reporting source should be used by TrackIt to retrieve engine data via the on-board computer (OBC). When a source is specified, then all other reporting sources that send this SPN codeDiagnostic fault code terminology used by commercial equipment. These codes identify specific parameters (component or system circuits) and associate a diagnostic trouble code with the problem area. SPN codes are used on vehicles equipped with a J1939 buss. are ignored.