Fmi refers to failure mode identifier. This is most likely due to the engine not. The fmi is used along with the spn to provide specific information that relates to a diagnostic trouble code (dtc).
Suspect parameter number (spn) and failure mode indicator (fmi) full code list. Running my bluefire module i get a spn 2003 fmi 31 code in their program. I have a dtc spn 2000 fmi 31.
Common fmi errors from 0 to 21 numbers. I can’t find anywhere a description for it. The fault that you are getting is a communication issue with the engine from the bc or the cluster. Any help will be appreciated.
Make sure the connections are clean and tight. Information is subject to change without notice. April 01, 2022 © 2022 mack trucks, inc. 2033 is a loss of data link communication with the instrument cluster and 2000 is a loss of data link communication with the body control module and esc.
Spn 2000 fmi 9 bulletin: Communication loss with a common powertrain controller (cpc) module (cpc heartbeat message is no longer arriving) troubleshooting:. 2003 31 is what i can found online to be a bad communication issue between the tcm and ecm.