DDEC III/IV Single ECM Troubleshooting

Section 55.2 SAE J1587 Equivalent Code for Flash Code 55

Section 55.2
SAE J1587 Equivalent Code for Flash Code 55

The SAE J1587 equivalent code for Flash Code 55 is s 231/12, ECM fault and s 216/14, missing other ECU; it also indicates DDEC ECM has lost its connection with other ECU devices or indicates a loss or shorted J1939 data link. If code is logged with:‪

  • Code 86/14 – smart cruise has a fault.
  • Code 84/12 – programmed wrong or shorted J1939 data link.


DDEC III/IV Single ECM Troubleshooting Guide - 6SE497
Generated on 10-13-2008

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