Series 60 DDEC VI Troubleshooting – Section 129 SPN 4228 – VGT Temperature Warning Email This Page Section 129 SPN 4228 - VGT Temperature Warning 129.1 SPN 4228/FMI 15 129.2 SPN 4228/FMI 16 EPA07 Series 60 DDEC VI Troubleshooting Guide - 6SE567 Generated on 10-13-2008