NOTE: Please see the step by step troubleshooting procedures for this specific code.
NOTE: If codes 168-0, 168-14, or 168-18 are present, fix those first.
NOTE: If code 625-9 is present, fix that first.
NOTE: If the ECM hasn’t been configured or programmed recently, then check all other modules on the truck (Cab, ABS, Transmission, etc…) for errors. Repair those as needed.
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 1121 FMI 13 (CPC) Service Brake Switch Signal from EBC1 is Missing or Not Available
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 1089 FMI 9 (CPC) AIR 1 Message (Air Supply Pressure) Missing from First Source Address
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 1077 FMI 31 (MCM) Fuel Rail Pressure Deviation is Greater than 200 Bar for Eight Seconds
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 1077 FMI 15 (MCM) Internal or External Leakage of the High Pressure Fuel System
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 1077 FMI 14 (MCM) Internal or External Leakage of the High Pressure Fuel System (Too High, Leak Down Test)
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 1077 FMI 7 (MCM) Rail Pressure Deviation is Greater the 200 Bar for Eight Seconds
