Spn 609/Fmi 12; Mcm Parameter Check - Detroit Diesel EPA07 Series 60 DDEC VI Troubleshooting Manual

50.1 SPN 609/FMI 12

This diagnostic condition is typically MCM failed or programmed incorrectly.
50.1.1

MCM Parameter Check

Check as follows:
1. Using your diagnostic tool, reset the parameters on the MCM.
[a] If fault code 233/12 is not active after resetting parameters, troubleshooting is
finished.
[b] If fault code 233/12 is still active after resetting parameters, go to step 2.
2. Check the MCM parameters to ensure they are correct for the vehicle configuration.
[a] If parameters are not correct, reset parameters on the MCM.
[b] If parameters are correct, contact Detroit Diesel Customer Support Center
(313–592–5800) for authorization to replace the MCM. Set parameters on the new
MCM.
All information subject to change without notice.
Copyright © 2007 DETROIT DIESEL CORPORATION
SERIES 60 DDEC VI TROUBLESHOOTING GUIDE
50-3