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Cummins ISX12 CM2250 (2010-12) Fault Code: 4293...

Circuit DescriptionThe engine brake active lamp relay is controlled by the engine control module (ECM). It is energized during engine braking to illuminate the brake lamps at the rear of...

Cummins ISX12 CM2250 (2010-12) Fault Code: 429 ...

  Circuit DescriptionThe water-in-fuel sensor is attached to the fuel filter. The electronic control module (ECM) provides a 5 volt reference signal to the water-in-fuel sensor. When the water collected...

Cummins ISX12 CM2250 (2010-12) Fault Code: 428 ...

Circuit DescriptionThe water-in-fuel sensor is attached to the fuel filter. The electronic control module (ECM) provides a 5 volt reference signal to the water-in-fuel sensor. When the water collected in...

Cummins ISX12 CM2250 (2010-12) Fault Code: 427 ...

Circuit DescriptionDevices such as ABS controllers, autoshift transmissions, ASR systems, electronic displays, electronic information systems, electronic service tools, and vehicle electronic control unit(s) (VECUs) can communicate with the ECM over...

Cummins ISX12 CM2250 (2010-12) Fault Code: 425 ...

Circuit DescriptionThe engine oil temperature sensor is a variable resistor sensor and is used to measure the temperature of the engine oil in the oil rifle. The engine control module...

Cummins ISX12 CM2250 (2010-12) Fault Code: 421 ...

Circuit DescriptionThe engine oil temperature sensor is a variable resistor sensor and is used to measure the temperature of the engine oil in the oil rifle. The engine control module...