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Cummins ISX12 CM2250 (2010-12) Fault Code: 6256...

Circuit DescriptionThe ECM receives constant voltage from the batteries through the unswitched battery wires that are connected directly to the positive (+) battery post. The ECM receives switched battery input...

Cummins ISX12 CM2250 (2010-12) Fault Code: 598 ...

Circuit DescriptionThe electronic control module (ECM) receives constant voltage from the batteries through the unswitched battery wires that are connected directly to the positive (+) battery post. The ECM receives...

Cummins ISX12 CM2250 (2010-12) Fault Code: 597 ...

Circuit DescriptionThe electronic control module (ECM) receives constant voltage from the batteries through the unswitched battery wires that are connected directly to the positive (+) battery post. The ECM receives...

Cummins ISX12 CM2250 (2010-12) Fault Code: 596 ...

Circuit DescriptionThe electronic control module (ECM) receives constant voltage from the batteries through the unswitched battery wires that are connected directly to the positive (+) battery post. The ECM receives...

Cummins ISX12 CM2250 (2010-12) Fault Code: 595 ...

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

Cummins ISX12 CM2250 (2010-12) Fault Code: 585 ...

Circuit DescriptionThe starter lockout relay is controlled by the electronic control module (ECM) through the starter lockout relay signal circuit. The relay prevents the starter from being engaged when the...