Cumminz
Cummins ISB4.5 CM2150 Fault Code: 1697 PID: SPN: 3489 FMI: 3 Air Supply Actuator – Voltage Above Normal, or Shorted to High Source.
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Circuit DescriptionThe aftertreatment diesel exhaust fluid dosing unit air solenoid is used to enable and disable the truck air supply to the diesel exhaust fluid pump. The air is used to transport the diesel exhaust fluid to the diesel exhaust fluid injector. Component LocationThe aftertreatment diesel exhaust fluid dosing unit air solenoid is mounted to the back of the diesel exhaust fluid pump. The diesel exhaust fluid pump is original equipment manufacturer (OEM) mounted. Refer to the OEM service manual for more information. Conditions for Running the DiagnosticsThis diagnostic runs continuously when the keyswitch is in the ON position. Conditions...
Cummins ISB4.5 CM2150 Fault Code: 1698 PID: SPN: 3489 FMI: 4 Air Supply Actuator – Voltage Below Normal or Shorted to Low Source.
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Circuit DescriptionThe aftertreatment diesel exhaust fluid (DEF) dosing unit air solenoid is used to enable and disable the truck air supply to the DEF pump. The air is used to transport the DEF to the DEF injector. Component LocationThe aftertreatment DEF dosing unit air solenoid is mounted to the back of the DEF pump. The DEF pump is original equipment manufacturer (OEM) mounted. Refer to the OEM service manual for more information. Conditions for Running the DiagnosticsThis diagnostic runs continuously when the keyswitch is in the ON position. Conditions for Setting the Fault CodesThis fault code is logged when the...
Cummins ISB4.5 CM2150 Fault Code: 1711 PID: SPN: 3361 FMI: 9 Aftertreatment Diesel Exhaust Fluid Dosing Unit – Abnormal Update Rate.
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Circuit DescriptionThe aftertreatment diesel exhaust fluid dosing unit communicates to the primary engine electronic control module (ECM) through the J1939 public data link network. The aftertreatment diesel exhaust fluid dosing unit also receives battery supply, keyswitch input, and ground from the OEM vehicle. Component LocationThe aftertreatment diesel exhaust fluid dosing unit location is OEM dependent. Refer to the OEM service manual for component location. Conditions for Running the DiagnosticsThis diagnostic runs continuously when the keyswitch is in the ON position. Conditions for Setting the Fault CodesData link communications between the ECM and the aftertreatment diesel exhaust fluid dosing unit have...
Cummins ISB4.5 CM2150 Fault Code: 1712 PID: SPN: 3363 FMI: 18 Aftertreatment Diesel Exhaust Fluid Tank Heater – Data Valid but Below Normal Operating Range – Moderately Severe Level.
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Circuit DescriptionThe aftertreatment diesel exhaust fluid tank heater keeps the diesel exhaust fluid from freezing in the diesel exhaust fluid tank. The tank heater consists of an electrically powered tank heater control valve which controls the flow of engine coolant to a heating coil inside the diesel exhaust tank. The tank heater control valve opens to allow coolant to flow to the heating coil when heating is commanded, and closes when heating is no longer required. Component LocationThe diesel exhaust fluid tank heater control valve is located near the diesel exhaust fluid tank. Specific location will vary depending on the...
Cummins ISB4.5 CM2150 Fault Code: 1713 PID: SPN: 3363 FMI: 0 Aftertreatment Diesel Exhaust Fluid (DEF) Tank Heater – Data Valid But Above Normal Operating Range – Moderately Severe Level.
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Circuit DescriptionThe aftertreatment DEF tank heater keeps the DEF from freezing in the DEF tank. The tank heater consists of an electrically powered tank heater control valve that controls the flow of engine coolant to a heating coil inside the DEF tank. The tank heater control valve opens to allow coolant to flow to the heating coil when heating is commanded, and then closes when heating is no longer required. Component LocationThe DEF tank heater control valve is located near the DEF tank. Specific location will vary, depending on the vehicle original equipment manfacturer (OEM). The tank heating coil is...