Series 60 DDEC VI Troubleshooting – Section 50 SPN 609 – MCM Fault (Erroneous Data) Email This Page Section 50 SPN 609 - MCM Fault (Erroneous Data) 50.1 SPN 609/FMI 12 50.2 SPN 609/FMI 14 EPA07 Series 60 DDEC VI Troubleshooting Guide - 6SE567 Generated on 10-13-2008