Cumminz

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

Circuit DescriptionThe crankcase pressure sensor is used to monitor the pressure inside the crankcase. The engine control module (ECM) supplies the crankcase pressure sensor a 5 volt reference voltage. When...

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

Circuit DescriptionThe coolant level sensor is a switch and is used to measure the level of the engine coolant in the radiator top tank. The coolant level sensor is immersed...

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

Circuit DescriptionBefore active regeneration of the aftertreatment diesel particulate filter, a diagnostic test on the system is performed. The aftertreatment fuel injector opens and relieves fuel pressure in the line....

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

Circuit DescriptionThe variable geometry turbocharger (VGT) is electronically activated by the VGT actuator. The VGT actuator is a smart device and receives information via the J1939 data link from the...

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

Circuit DescriptionThe exhaust gas recirculation (EGR) valve is controlled by a brushless motor located on top of the EGR valve. The EGR valve motor uses three different motor legs to...

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

Circuit DescriptionThe coolant level sensor is a switch and is used to measure the level of the engine coolant in the radiator top tank. The coolant level sensor is immersed...