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Cummins ISX12 CM2250 (2010-12) Fault Code: 227 ...

Circuit DescriptionThe sensor supply 2 pin of the electronic control module (ECM) provides 5 volt for the camshaft position sensor, intake manifold pressure/temperature sensor, crankcase pressure sensor, engine oil pressure...

Cummins ISX12 CM2250 (2010-12) Fault Code: 2266...

Circuit DescriptionThe fuel lift pump circuit is a discrete output in the electronic control module (ECM) that controls the electric fuel lift pump. The lift pump is grounded in the...

Cummins ISX12 CM2250 (2010-12) Fault Code: 2266...

Circuit DescriptionThe fuel lift pump relay is controlled by the ECM, and provides power to the fuel lift pump. Component LocationThe fuel lift pump relay is installed in the engine...

Cummins ISX12 CM2250 (2010-12) Fault Code: 2265...

Circuit DescriptionThe fuel lift pump circuit is a discrete output in the electronic control module (ECM) that controls the electric fuel lift pump. The lift pump is grounded in the...

Cummins ISX12 CM2250 (2010-12) Fault Code: 2265...

Circuit DescriptionThe fuel lift pump relay is controlled by the ECM, and provides power to the fuel lift pump. Component LocationThe fuel lift pump relay is installed in the engine...

Cummins ISX12 CM2250 (2010-12) Fault Code: 222 ...

Circuit DescriptionThe ECM provides the ambient air pressure sensor with a 5 volt supply circuit, a sensor signal voltage circuit, and a return circuit. The ambient air pressure sensor provides...