DDEC III/IV Single ECM Troubleshooting

Section 78.1 Description of Flash Code 78

Section 78.1
Description of Flash Code 78

Flash Code 78 indicates the DDEC system has lost its ability to connect to the adaptive cruise control source. ‪

Possible causes include: ‪

  • Programmed wrong – smart cruise enabled and not used.
  • Shorted J1939 wires – (usually with code 216/14.)


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

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