MBE 900 DDEC VI Troubleshooting

Section 91.1 SPN 1590/FMI 9

Section 91.1
SPN 1590/FMI 9

This fault is typically the J1939 ACC1 message from Adaptive Cruise control is missing.‪

Section 91.1.1
Missing J1939 ACC1 Message Check

Check as follows:‪

  1. Check for multiple codes:
    1. If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
    2. If MCM SPN 625/FMI 9 is present, troubleshoot and repair the CAN line.
    3. If only a “J1939 Error” fault is present, go to step 2 .
  2. Has the CPC been recently reprogrammed?
    1. If yes, check the proper configuration of the CPC.
    2. If no, connect ServiceLink to determine which modules are configured for the vehicle and their communication status. Once this is done, follow the appropriate module communication troubleshooting procedures for the affected module.


EPA07 MBE 900 DDEC VI Troubleshooting Guide - 6SE580
Generated on 10-13-2008

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