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Cummins ISB4.5 CM2150 Fault Code: 1981 PID: SPN: 3936 FMI: 15 Aftertreatment Diesel Particulate Filter System – Data Valid But Above Normal Operating Range – Least Severe Level.
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Circuit DescriptionThe engine aftertreatment system monitors the soot load in the aftertreatment diesel particulate filter. Under normal operating conditions, the aftertreatment diesel particulate filter is self-cleaning, where soot is converted to carbon dioxide, nitrogen, and water. Under light load operating conditions, it can be necessary to perform a stationary regeneration of the aftertreatment diesel particulate filter. The soot load in the aftertreatment diesel particulate filter is estimated, using the aftertreatment differential pressure sensor and the calculated soot output of the engine. Component LocationThe aftertreatment diesel particulate filter is located in the exhaust system and is installed by the original equipment...
Cummins ISB4.5 CM2150 Fault Code: 1993 PID: SPN: 4795 FMI: 31 Aftertreatment Diesel Particulate Filter Missing – Condition Exists.
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Circuit DescriptionThe engine aftertreatment system monitors for the presence of the aftertreatment diesel particulate filter. This diagnostic checks to make sure that the aftertreatment diesel particulate filter is present and functioning correctly. Component LocationThe aftertreatment particulate filter is located in the exhaust system and is installed by the original equipment manufacturer (OEM). Refer to the OEM service manual. Conditions for Running the DiagnosticsThis diagnostic runs when the engine is running and exhaust flow is above a minimum level. Conditions for Setting the Fault CodesThis diagnostic monitors the aftertreatment diesel particulate filter differential pressure sensor. When the differential pressure is below...
Cummins ISB4.5 CM2150 Fault Code: 212 PID: 175 SPN: 175 FMI: 3 Engine Oil Temperature Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source.
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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 electronic control module (ECM) supplies 5 volts to the engine oil temperature signal circuit. The ECM monitors the change in voltage caused by changes in the resistance of the sensor to determine the engine oil temperature. When the oil temperature is low, the sensor or thermistor resistance is high. The ECM signal voltage only pulls down a small amount through the sensor to a ground. Therefore, the ECM senses a high signal voltage...
Cummins ISB4.5 CM2150 Fault Code: 213 PID: 197 SPN: 175 FMI: 4 Engine Oil Temperature Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source.
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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 electronic control module (ECM) supplies 5 volts to the engine oil temperature signal circuit. The ECM monitors the change in voltage caused by changes in the resistance of the sensor to determine the engine oil temperature. When the oil temperature is cold, the sensor or thermistor resistance is high. The ECM signal voltage only pulls down a small amount through the sensor to a ground. Therefore, the ECM senses a high signal voltage...
Cummins ISB4.5 CM2150 Fault Code: 214 PID: 175 SPN: 175 FMI: 0 Engine Oil Temperature High – Data Valid But Above Normal Operating Range – Most Severe Level.
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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 electronic control module (ECM) supplies 5 volts to the engine oil temperature signal circuit. The ECM monitors the change in voltage caused by changes in the resistance of the sensor to determine the engine oil temperature. When the oil temperature is cold, the sensor or thermistor resistance is high. The ECM signal voltage only pulls down a small amount through the sensor to a ground. Therefore, the ECM senses a high signal voltage...