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Page 17 - J1939 active diagnostic trouble codes in decoded format
Notes: 1. These are read only registers. 2. Some Engine Control Units (ECUs) do not comply with J1939 with respect to trouble codes, the trouble code type must be read to determine the interpretation of the codes. 3. For an ECU that is fully compliant with J1939 this page contains the status as indicated by the last DM1 message, refer to J1939-73 section 5.7.1. 4. For an ECU that is not fully compliant with J1939 this page contains trouble codes as read by the mechanism appropriate to the ECU. 5. The meaning of the lamp status codes is shown in the table below. 6. For details of the Suspect Parameter Number (SPN) refer to J1939-04 Appendix C. 7. For details of the Failure Mode Indicator (FMI) refer to J1939-73 Appendix A. 8. For details of the Occurrence Count (OC) refer to J1939-73 section 5.7.1, a value of 127 indicates that no OC is available. 9. For details of the Fault Code Number, Status of Fault Code and Number of Occurrences refer to the Scania document 'Fault codes EMS S6'. 10. For details of the Fault Code Number refer to the MTU document “Part 3 Maintenance and repair E531 711 / 01 E”
Registers
Lamp status codes
Trouble code type
J1939 type trouble code
Scania Keyword 2000 (KW2K) type trouble code
MTU type trouble code
Page 18 - J1939 active diagnostic trouble codes in raw format Notes: 1. These are read only registers. 2. This page contains the status as indicated by the last DM1 message, refer to J1939-73 section 5.7.1. 3. The meaning of the lamp status codes is shown in the table below. 4. For details of the Suspect Parameter Number (SPN) refer to J1939-04 Appendix C. 5. For details of the Failure Mode Indicator (FMI) refer to J1939-73 Appendix A. 6. For details of the Occurrence Count (OC) refer to J1939-73 section 5.7.1, a value of 127 indicates that no OC is available. 7. For details of the Conversion Method (CM) refer to J1939-73 section 5.7.1
Registers
Lamp status codes
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