Detroit Diesel

Language

27 November, 2025

0 comments

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 1077 FMI 3 (MCM) Quantity Control Valve (QCV) Circuit Failed High

DESCRIPTION:Quantity control valve (QCV) circuit failed high. MONITORED PARAMETER:Quantity control valve (QCV) circuit. TYPICAL ENABLING CONDITIONS:Always on MONITOR SEQUENCE:None EXECUTION...

27 November, 2025

0 comments

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 1077 FMI 31 (MCM) Fuel Rail Pressure Deviation is Greater than 200 Bar for Eight Seconds

POSSIBLE CAUSES:1. External fuel leakage between the high pressure pump and fuel injectors.2. Pressure limiting valve (PLV) leakage (internal).3. Fuel...

27 November, 2025

0 comments

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 1077 FMI 4 (MCM) Quantity Control Valve (QCV) Circuit Failed Low

DESCRIPTION:Quantity control valve (QCV) circuit failed low. MONITORED PARAMETER:Quantity control valve (QCV) circuit. TYPICAL ENABLING CONDITIONS:Always on MONITOR SEQUENCE:None EXECUTION...

27 November, 2025

0 comments

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 1077 FMI 5 (MCM) Quantity Control Valve Current Too Low

DESCRIPTION:Quantity control valve (QCV) error. MONITORED PARAMETER:Quantity control valve. TYPICAL ENABLING CONDITIONS:RP closed loop control. MONITOR SEQUENCE:None EXECUTION FREQUENCY:Current less...

27 November, 2025

0 comments

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 1077 FMI 6 (MCM) Quantity Control Valve, Desired Current Does Not Match Actual Current

27 November, 2025

0 comments

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 1077 FMI 7 (MCM) Rail Pressure Deviation is Greater the 200 Bar for Eight Seconds

NOTE: The motor control module (MCM) sets the code. POSSIBLE CAUSES:1. External fuel leakage between the high pressure pump and...

Language

Currency

Detroit Diesel