Cumminz

Cummins X12 CM2350 X119B (2018 & Newer) Fault C...

Circuit DescriptionThe aftertreatment purge air actuator is used to purge the aftertreatment fuel injector system of fuel after active regeneration of the aftertreatment diesel particulate filter. Component LocationThe aftertreatment fuel...

Cummins X12 CM2350 X119B (2018 & Newer) Fault C...

Circuit DescriptionThe injector solenoid valves control fueling quantity and injection timing. The engine control module (ECM) energizes the solenoid by closing a high-side and a low-side switch. Each injector circuit...

Cummins X12 CM2350 X119B (2018 & Newer) Fault C...

Circuit DescriptionThe ECM calculates an aftertreatment diesel particulate filter flow resistance, using the aftertreatment diesel particulate filter differential pressure and calculated exhaust flow rate. Component LocationThe aftertreatment diesel particulate filter...

Cummins X12 CM2350 X119B (2018 & Newer) Fault C...

Circuit DescriptionThe aftertreatment fuel injector is electronically controlled by the engine electronic control module (ECM) through a pulse width modulated (PWM) signal. The amount of fuel injected is determined by...

Cummins X12 CM2350 X119B (2018 & Newer) Fault C...

Circuit DescriptionThe aftertreatment SCR (selective catalytic reduction) temperature sensor module is a smart device that communicates with the engine control module via the J1939 data link. The aftertreatment SCR temperature...

Cummins X12 CM2350 X119B (2018 & Newer) Fault C...

Circuit DescriptionThe engine control module (ECM) monitors the NOx concentration in the engine’s exhaust gases using an aftertreatment intake NOx sensor and an aftertreatment outlet NOx sensor. By comparing these...