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Cummins ISX12 CM2250 (2010-12) Fault Code: 2311...

Circuit DescriptionThe circuit is a pulse width modulated driver in the engine control module (ECM) that controls the fuel pump actuator. The actuator is grounded in the ECM. The ECM...

Cummins ISX12 CM2250 (2010-12) Fault Code: 2311...

Circuit DescriptionThe circuit is a pulse width modulated driver in the engine control module (ECM) that controls the fuel pump actuator. The actuator is grounded in the ECM. The ECM...

Cummins ISX12 CM2250 (2010-12) Fault Code: 2274...

Circuit DescriptionThe exhaust gas recirculation (EGR) differential pressure sensor has two ports that sense exhaust gas pressure. The sensor outputs a voltage that represents the pressure difference between the two...

Cummins ISX12 CM2250 (2010-12) Fault Code: 2288...

Circuit DescriptionThe turbocharger speed sensor is a variable reluctance speed sensor. It consists of a coil wire and an iron core. The target on the turbocharger shaft is a ground...

Cummins ISX12 CM2250 (2010-12) Fault Code: 2273...

Circuit DescriptionThe exhaust gas recirculation (EGR) differential pressure sensor has two ports that sense exhaust gas pressure. The sensor outputs a voltage which represents the pressure difference between the two...

Cummins ISX12 CM2250 (2010-12) Fault Code: 2272...

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...