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Cummins ISX15 CM2250 (2010-12) Fault Code: 6263...

Circuit DescriptionThe fan control circuit is a device used by the engine to control the fan operation. When the engine control module (ECM) energizes the fan control circuit, the engine...

Cummins ISX15 CM2250 (2010-12) Fault Code: 6262...

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

Cummins ISX15 CM2250 (2010-12) Fault Code: 6261...

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

Cummins ISX15 CM2250 (2010-12) Fault Code: 6259...

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

Cummins ISX15 CM2250 (2010-12) Fault Code: 6258...

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

Cummins ISX15 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...