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Cummins ISB4.5 CM2150 Fault Code: 3559 PID: SPN...

Circuit DescriptionThe diesel exhaust fluid dosing unit performs many functions, one of which is to generate adequate diesel exhaust fluid pressure in the lines using a pump to allow for...

Cummins ISB4.5 CM2150 Fault Code: 3559 PID: SPN...

Circuit DescriptionThe diesel exhaust fluid dosing unit performs many functions, one of which is to generate adequate diesel exhaust fluid pressure in the lines using a pump to allow for...

Cummins ISB4.5 CM2150 Fault Code: 3558 PID: SPN...

Circuit DescriptionThe diesel exhaust fluid dosing unit performs many functions, one of which is to generate adequate diesel exhaust fluid pressure in the lines using a pump to allow for...

Cummins ISB4.5 CM2150 Fault Code: 3558 PID: SPN...

Circuit DescriptionThe diesel exhaust fluid dosing unit performs many functions, one of which is to generate adequate diesel exhaust fluid pressure in the lines using a pump to allow for...

Cummins ISB4.5 CM2150 Fault Code: 3557 PID: SPN...

Circuit DescriptionThe aftertreatment diesel exhaust fluid controller is the central control for the selective catalytic reduction (SCR) diesel exhaust fluid dosing system, and handles the dosing activity, tank level sensing,...

Cummins ISB4.5 CM2150 Fault Code: 3557 PID: SPN...

Cummins ISB4.5 CM2150 Fault Code: 3555 PID: SPN...

Circuit DescriptionNormally, switches, accelerators, and other components are connected to the engine control module (ECM) directly through individual wires. Multiplexing allows those same components to be hard wired to an...

Cummins ISB4.5 CM2150 Fault Code: 3555 PID: SPN...

Cummins ISB4.5 CM2150 Fault Code: 3548 PID: SPN...

Circuit DescriptionFor an air-assisted SCR aftertreatment system, the aftertreatment diesel exhaust fluid dosing unit requires air pressure from the OEM air tanks in order to prime and help carry the...

Cummins ISB4.5 CM2150 Fault Code: 3548 PID: SPN...

Cummins ISB4.5 CM2150 Fault Code: 3542 PID: SPN...

Circuit DescriptionThe engine control module (ECM) uses the engine intake throttle actuator position sensor to determine whether or not the actuator is meeting the commanded position. The ECM supplies 5...