MBE 900 DDEC VI Troubleshooting – Section 77 SPN 973 (CPC) – J1939 Ebc1 Message Missing and Engine Retarder Selection Signal Is Erratic or Missing
MBE 900 DDEC VI Troubleshooting – Section 76 SPN 904 (CPC) – J1939 Ebc2 Message Missing and Front Axle Speed Signal Erratic or Missing