![]() ![]() There are 4 CAN SPN/FMI lists available in the DGC software set, contact EControls Inc. Faults available for broadcast and their respective SPN/FMI numbers are dependent on the applica- tion and engine calibration. DGC ECMs are com- pliant with J1939 OBD-M, supporting the Diagnostic Messages above as well as user indicators and CAN data defined in the OBD-M protocol. DM12: Emissions-Related Active Diagnostic Trouble CodesĪll diagnostic trouble codes broadcast over CAN will be SAE J1939 DM1 and DM2 formatted messages.DM11: Diagnostic Data Clear/Reset For Active DTCs.DM5: Diagnostic Readiness (bytes 1, 2, and 3 are sup. ![]() ![]() DM3: Diagnostic Data Clear/Reset of Previously Active.DM2: Previously Active Diagnostic Trouble Codes.The DGC supports SAE J1939 CAN based diagnostic support. EDIS may be used to connect to the DGC ECM via CAN. This will assign both the DTC as displayed in EDIS as well as the flash code output on the MIL output pin. ![]() While these codes are recommended, the manufacturer may define their own codes by assigning a new number to the flash code in the diagnostic calibration. The numeric diagnostic trouble codes assigned to the faults in this section are cross-referenced to SAE’s "Recommended Practice for Diagnostic Trouble Code Definitions" (SAE J2012). ![]()
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