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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